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When changes must take place in order to build the project as planned, WSDOT issues a change order. This order directs the contractor how to handle the change, and modifies the contract cost, plans and specifications as necessary. Often times these costs are included in the risk reserves for the project.
Displayed are WSDOT change orders over $500,000 since July 1, 2013.
| State Route | Project Title | Contract No. | Pin | Change Order No. | Date |
|---|---|---|---|---|---|
| I-405 | I-405, Renton to Bellevue Widening and Express Toll (pdf 1.7 mb) | 9242 | 140504B, 140504N, 140500T, 840541F | 034 | 08/19/2021 |
| SR 509 | SR 509, I-5 to 24th Ave S. - New Expressway Project (pdf 1.3 mb) | 9424 | 150907E | 005 | 08/18/2021 |
| SR 520 | SR 520, Montlake to Lake Washington I/C and Bridge (pdf 196 kb) | 9015 | 852001L | 013 | 08/16/2021 |
| SR 202 | SR 202, Evans Creek & Patterson Creek Fish Passage (pdf 792 kb) | 9269 | 120215A, 120215C | 7 | 06/15/2021 |
| Lewis and Clark Bridge, Superstructure Painter (pdf 1.6 mb) | 7895 | 443313P | 010 | 05/24/2021 | |
| I-405 | I-405, Renton to Bellevue Widening and Express Toll (pdf 111 kb) | 9242 | 140504B, 140504N, 140500T, 840541F | 036 | 05/14/2021 |
| I-405 | I-405, Renton to Bellevue Widening and Express Toll (pdf 1541 kb) | 9242 | 140504B, 140504N, 140500T, 840541F | 18 | 03/01/2021 |
| SR 520 | SR 520, Montlake to Lake Washington I/C and Bridge (pdf 640 kb) | 9015 | 852001L | 077 | 03/01/2021 |
| I-90 | I-90 / 468th Avenue Southeast to West Summit Rd EB - Rehab (pdf 783 kb) | 9036 | 509012S, 509013M, 509013T, 509015I, 509015J, 509016L |
54 | 01/06/2021 |
| I-405 | I-405, Renton to Bellevue Widening and Express (pdf 1.26 mb) | 9242 | 140500T, 140504B, 140504N, 840541F | 15 | 12/30/2020 |
| SR 520 | SR 520, Montlake to Lake Washington I/C and Bridge (pdf 1.5 mb) | 9015 | 852001L | 076 | 12/29/2020 |
| Lacamas Creek Bridge Replacement (pdf 1.7 mb) | 9419 | 450607A | 001 | 12/29/2020 | |
| SR 99 | SR 99, AWV Demolition Decommissioning & Surface Street (pdf 2.2 mb) | 9127 | 809939X | 44 | 12/28/2020 |
| Bagley and Siebert Creeks-Remove Fish Barriers (pdf 2.07 mb) | 9516 | 310104F, 310198G | 010 | 11/10/2020 | |
| SR 520 | SR 520, Montlake to Lk Washington I/C and Bridge (pdf 2.1 mb) | 9015 | 852001L | 068 | 09/30/2020 |
| SR 520 | SR 520, Montlake to Lake Washington I/C and Bridge (pdf 189 kb) | 9015 | 852001L | 64 | 09/02/2020 |
| I-82 | I-82, South Union Gap Interchange - Construct Ramps (pdf 1.7 mb) | 9247 | 508209U | 28 | 08/31/2020 |
| I-82 | I-82, South Union Gap Interchange - Construct Ramps (pdf 473 kb) | 9247 | 508209U | 24 | 08/03/2020 |
| SR 305 | SR 305 / Agate Pass Bridge Painting (pdf 322 kb) | 9409 | 330524A | 11 | 08/03/2020 |
| SR 20 | SR 20, Deception Pass and Canoe Pass Bridges Paint (pdf 377 kb) | 9344 | 102026K, 102026L, 102026M | 006 | 06/23/2020 |
| SR 530 | SR530 / Trafton Creek & Schoolyard Creek - Fish Passage (pdf 1.7 mb) | 9143 | 153026A, 153026B | 004 | 6/19/2020 |
| I-5 | I-5, Steilacoom-Dupont Rd to Thorne Lane Corridor (pdf 308 kb) | 9133 | 300502T, 300503T | 14 R1 | 06/18/2020 |
| I-90 | I-90, Two-Way Transit & HOV Operation, Stage 3 (pdf 1.8 mb) | 8662 | 109040R | 167 R4 | 06/04/2020 |
| SR 305 | SR 305 / Agate Pass Bridge Painting (pdf 1.2 mb) | 9409 | 330524A | 9 | 05/18/2020 |
| SR 99 | SR 99 / AWV Demolition Decommissioning & Surface Street Project (pdf 959 kb) | 9127 | 809939X | 31 | 05/14/2020 |
| SR 530 | SR 530, Trafton Creek & Schoolyard Creek - Fish Passage (pdf 2.6 mb) | 9143 | 153026A, 153026B | 6 | 05/14/2020 |
| SR 99 | SR 99 / AWV Demolition Decommissioning & North Surface Street (pdf 1.1 mb) | 9127 | 809939X | 14 | 05/14/2020 |
| SR 99 | SR 99 / AWV Demolition Decommissioning & Surface Street Project (pdf 1.4 mb) | 9127 | 809939X | 027 | 05/04/2020 |
| SR 202 | SR 202, Little Bear Creek Fish Barrier Removal (pdf 1.4 mb) | 8865 | 120200D | 22R1 | 03/16/2020 |
| I-5 | I-5 Steilacoom-DuPont Rd to Thorne Lane - Corridor (pdf 241 kb) | 9133 | 300502T, 300503T | 19 | 03/03/2020 |
| SR 99 | SR 99, Bored Tunnel Alternative Design-Build Project (pdf 7.2 mb) | 7999 | 809936E | 206 | 02/24/2020 |
| US 101 | US 101, West Jefferson County Remove Fish Barriers (pdf 1.8 mb) | 9398 | 310155G, 310198D, 310199J | 2 | 02/20/2020 |
| SR 99 | SR 99, George Washington Bridge Painting & Paving (pdf 358 kb) | 9168 | 109946C, 109946D | 21 | 02/13/2020 |
| SR 20 | SR 20, Deception Pass and Canoe Pass Bridges (pdf 1.3 mb) | 9344 | 102026K, 102026L, 102026M | 5 | 01/29/2020 |
| US 101 | US 101, N of SR 107 Stabilize Slope (pdf 3.3 mb) | 9430 | 310121G | 2 | 01/08/2020 |
| SR 99 | SR 99 / AWV Demo., Decom., and Surface Street Project (pdf 2 mb) | 9127 | 809936X | 29 | 01/07/2020 |
| I-90 | I-90, 468th Ave SE to W Summit Rd Concrete, Deck (pdf 1 mb) | 9036 | 509012S, 509013M, 509013T, 509015I, 509015J, 509016L | 44 | 12/26/2019 |
| I-5 | I-5, NB MLK Jr Way to NE Ravnena Bridge, Pavement Repair & More (pdf 889 kb) | 8952 |
100512T, 100515B, 100516G, 100519B, 100522C, 100516E, 100515C |
28 | 12/26/2019 |
| SR 99 | SR 99, AWV-Replacement South (pdf 359 kb) | 9160 | 809936E | 89R2 | 12/26/2019 |
| I-5 | M St to Portland Ave - HOV (pdf 2.8 mb) | 8607 | 300509M | 288R1 | 06/13/2019 |
| US 101 | Coffee Creek - Remove Fish Barrier (pdf 1.09 mb) | 9018 | 310195H | 3 | 06/06/2019 |
| I-90 | 468th Ave SE to W Summit Rd. Rehab. Conc/Deck (pdf 1.5 mb) | 9036 | 509012S, 509013M, 509013T, 509015I, 509015J, 509016L | 35 | 06/05/2019 |
| SR 99 | SR 99, AWV Demolition, Decommissioning, and Surface St Project (pdf 7.8 mb) | 9127 | 809939X | 4 | 04/22/2019 |
| SR 99 | SR 99, AWV Demolition, Decommissioning, and Surface St Project (pdf 5 mb) | 9127 | 809939X | 11 | 09/10/2019 |
| I-90 | Floating Bridges Replace Anchor Cables (pdf 1.37 mb) | 9151 |
109024M, 109024N |
22 | 05/15/2019 |
| SR 99 | SR 99, AWV Replacement South Access Connection (pdf 2.9 mb) | 9160 | 809936E | 84 | 06/20/2019 |
| I-90 | 468th Ave. SE to W Summit Rd. Rehab. Conc/Deck (pdf 444 kb) | 9036 | 509012S 509013M 509013T 509015I 509015J 509016L |
32 | 03/22/2019 |
| I-90 | 468th Ave. SE to W Summit Rd. Rehab. Conc/Deck (pdf 696 kb) | 9036 | 509012S 509013M 509013T 509015I 509015J 509016L |
22 | 05/08/2018 |
| I-90 | 468th Ave. SE to W Summit Rd. Rehab. Conc/Deck (pdf 190 kb) | 9036 | 509012S 509013M 509013T 509015I 509015J 509016L |
29 | 10/29/2018 |
| Hood Canal Bridge Special Repair - Gear Boxes (pdf 184 kb) | 8968 | 310439C | 11 | 04/16/2018 | |
| I-90 | I-90/Adams Co Line to Spokane Co Line - Paving (pdf 159 kb) | 8977 | 609023T, 609024B | 3 | 11/01/2017 |
| Tacoma Amtrak Cascades Station (pdf 9.7 mb) | 8895 | 730310A | 63 | 06/30/2017 | |
| Tacoma Amtrak Cascades Station (pdf 505 kb) | 8895 | 730310A | 67 | 06/19/2017 | |
| SR 522 | SR 522, Snohomish River bridge to US 2 Vic (pdf 650 kb) | 8128 | 152234E | 188 | 02/02/2017 |
| I-5 | I-5 NB MLK Jr Way to Ravenna Bridge Pavement Repair & More (pdf 636 kb) | 8952 | 100512T 100515B 100516G 100519B 100522C 100516E 100515C |
18 | 04/19/2019 |
| I-5 | I-5/I-205 to North Fork Lewis River Bridge (pdf 2 mb) | 8918 | 400516C | 3 | 12/14/2016 |
| I-5 | I-5 Steilacoom-DuPont Rd to Thorne Lane - Corridor (pdf 244 kb) | 9133 | 300503T 300502T |
5 | 11/13/2018 |
| I-5 | I-5/SR 16 Interchange - Construct HOV Connections (pdf 1.2 mb) | 8818 | 300566A | 001 | 10/25/2016 |
| I-405 / SR 167 | I-405/SR167 Interchange Direct Connector Project (pdf 943 kb) | 8811 | 140504K 116721B |
01R2 | 12/21/2016 |
| SR 14 | SR 14, 6th St to Bingen (pdf 1.4 mb) | 8766 | 401416P 401415B |
14 | 10/07/2016 |
| SR 99 | SR 99, George Washington Memorial BR, Painting Stage 1 (pdf 174 kb) | 8727 | 109947B | 11 | 06/06/2017 |
| SR 99 | SR 99/AWV Demolition, Decommissioning, and Surface St Project (pdf 9.7 mb) | 9127 | 809939X | 001 | 11/05/2018 |
| SR 99 | SR 99, AWV Replacement North Access Connection (pdf 8.7 mb) | 8549 | 809936E | 125 | 05/08/2016 |
| SR 99 | SR 99, AWV Replacement NA Connection (pdf 4.3 mb) | 8549 | 809936E | 169 | 07/21/2016 |
| SR 99 | SR 99, AWV Replacement North Access Connection (pdf 5.1 mb) | 8549 | 809936E | 133 | 05/11/2016 |
| SR 99 | SR 99, AWV Replacement South Access Connection (pdf 16 mb) | 9160 | 809936E | 022 | 11/27/2018 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 542 kb) | 7999 | 809936E | 157 | 12/21/2016 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 1.5 mb) | 7999 | 809936E | 203R1 | 01/22/2019 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 5 mb) | 7999 | 809936E | 172 | 03/14/2018 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 300 kb) | 7999 | 809936E | 109 | 02/23/2015 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 8.7 mb) | 7999 | 809936E | 145 | 05/31/2016 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 1.3 mb) | 7999 | 809936E | 136 | 05/20/2016 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 1.2 mb) | 7999 | 809936E | 140 | 05/20/2016 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 1.7 mb) | 7999 | 809936E | 113 | 10/15/2015 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 4.3 mb) | 7999 | 809936E | 88 | 03/19/2015 |
| SR 395 | NSC-BNSF Railway Structures/Realignment (pdf 1.9 mb) | 8496 | 600004A | 14 | 05/14/2015 |
| SR 530 | SR 530/Skaglund Hill Vic to C-Post Rd Vic (pdf 4.8 mb) | 8630 | 153036E | 4 | 03/05/2015 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 284 kb) | 7999 | 809936E | 074R1 | 11/26/2014 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 1.3 mb) | 7999 | 809936E | 106 | 03/04/2015 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 1 mb) | 7999 | 809936E | 114 | 11/23/2015 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 881 kb) | 7999 | 809936E | 128 | 11/23/2015 |
| I-90 | I-90, Two-Way Transit & HOV Operations Stage 3 (pdf 459 kb) | 8662 | 109040R | 74 | 02/03/2017 |
| I-90 | I-90, Two-Way Transit & HOV Operations (pdf 224 kb) | 8662 | 109040R | 89 | 11/02/2017 |
| I-90 | I-90/Snowshed to Keechelus Dam Phase 1C - Replace Snowshed and Add Lanes (pdf 597 kb) | 8127 | 509090C | 065 | 09/16/2013 |
| I-90 | I-90, Floating Bridges Replace Anchor Cables (pdf 559 kb) | 9151 | 109024M 109024N |
21 | 04/17/2019 |
| I-90 | I-90, Floating Bridges Replace Anchor Cables (pdf 559 kb) | 9151 | 109024M 109024N |
14 | 02/06/2019 |
| I-90 | I-90, Floating Bridges Replace Anchor Cables (pdf 187 kb) | 9151 | 109024M 109024N |
7R1 | 10/08/2018 |
| I-90 | I-90/Snowshed to Keechelus Dam Phase 1C (pdf 244 kb) | 8127 | 509090C | 164 | 08/21/2017 |
| I-90 | I-90/Snowshed to Keechelus Dam Phase 1C - Wall 7 Vic. Final Agreement (pdf 1.3 mb) | 8127 | 509090C | 118 | 04/09/2015 |
| I-90 | I-90/Snowshed to Keechelus Dam Phase 1C - East End Tie-In to 2A (pdf 1.2 mb) | 8127 | 509090C | 116 & 117 | 04/09/2015 |
| SR 520 | SR 520 West Approach Bridge North Project (pdf 3.5 mb) | 8625 | 852004B | 194 | 12/27/2018 |
| SR 520 | SR 520 West Approach Bridge North Project (pdf 2 mb) | 8625 | 852004B | 101 | 03/31/2017 |
| SR 520 | SR 520 West Approach Bridge North Project (pdf 3.9 mb) | 8625 | 852004B | 72 | 12/19/2016 |
| SR 520 | SR 520 West Approach Bridge North Project (pdf 251 kb) | 8625 | 852004B | 135 | 12/19/2016 |
| SR 520 | SR 520 West Approach Bridge North Project (pdf 498 kb) | 8625 | 852004B | 138 | 06/11/2018 |
| SR 520 | SR 520 West Approach Bridge North Project (pdf 730 kb) | 8625 | 852004B | 013 | 04/24/2015 |
| SR 520 | SR 520 West Approach Bridge North Project (pdf 400 kb) | 8625 | 852004B | 028 | 07/17/2015 |
| SR 520 | SR 520 West Approach Bridge North Project (pdf 1.3 mb) | 8625 | 852004B | 115 | 09/19/2016 |
| SR 520 | SR 520 West Approach Bridge North Project (pdf 1mb) | 8625 | 852004B | 081 | 07/06/2016 |
| SR 520 | SR 520 West Approach Bridge North Project (pdf 460 kb) | 8625 | 852004B | 068 | 02/01/2016 |
| SR 520 | SR 520 Pontoon Construction Design-Build (pdf 5 mb) | 7826 | 852003A | 101 | 07/17/2013 |
| SR 520 | SR 520 Floating Bridge and Landings Project (pdf 729 kb) | 8066 | 852004B | 230 | 02/13/2017 |
| SR 520 | SR 520 Floating Bridge and Landings Project (pdf 560 kb) | 8066 | 852004B | 195 | 11/21/2016 |
| SR 520 | SR 520/I-5 to Medina-Evergreen Point Floating (pdf 463 kb) | 8066 | 852004B | 108 | 07/26/2013 |
| SR 520 | SR 520 Floating Bridge and Landings Project (pdf 2.3 mb) | 8066 | 852004B | 200 | 07/18/2016 |
| SR 520 | SR 520 Floating Bridge and Landings Project (pdf 477 kb) | 8066 | 852004B | 208 | 05/05/2016 |
| SR 520 | SR 520 Floating Bridge and Landings Project (pdf 489 kb) | 8066 | 852004B | 207 | 06/20/2016 |
| I-90 | I-90/Snowshed to Keechelus Dam Phase 1C - Replace Snowshed and Add Lanes (pdf 911 kb) | 8127 | 509090C | 049 | 07/26/2013 |
| I-90 | I-90/Snowshed to Keechelus Dam Phase 1C - Replace Snowshed and Add Lanes (pdf 778 kb) | 8127 | 509090C | 059 | 08/06/2013 |
| I-90 | I-90/Snowshed to Keechelus Dam Phase 1C - Replace Snowshed and Add Lanes (pdf 620 kb) | 8127 | 509090C | 107 | 10/15/2014 |
| I-90 | I-90/Snowshed to Keechelus Dam Phase 1C - Replace Snowshed and Add Lanes (pdf 385 kb) | 8127 | 509090C | 108 | 10/15/2014 |
| I-90 | I-90/Keechelus Dam to Stampede Pass Phase 2A (pdf 10.5 mb) | 8715 | 5090900 | 7 | 12/07/2015 |
| SR 520 | SR 520, Floating Bridge and Landings Project (pdf 885 kb) | 8066 | 852004B | 68 | 12/11/2015 |
| SR 520 | SR 520, Floating Bridge and Landings Project (pdf 9.7 mb) | 8066 | 852004B | 191 | 05/18/2015 |
| SR 520 | SR 520, Floating Bridge and Landings Project (pdf 2.8 mb) | 8066 | 852004B | 190 | 02/11/2015 |
| SR 520 | SR 520, Floating Bridge and Landings Project (pdf 404 kb) | 8066 | 852004B | 123 | 11/14/2013 |
| SR 520 | SR 520, Floating Bridge and Landings Project (pdf 2.3 mb) | 8066 | 852004B | 180 | 12/31/2014 |
| SR 520 | SR 520, Floating Bridge and Landings Project (pdf 391 kb) | 8066 | 852004B | 128 | 11/21/2013 |
| I-90 | I-90/Snowshed to Keechelus Dam Phase 1C - Replace Snowshed and Add Lanes (pdf 710 kb) | 8127 | 509090C | 74 | 12/10/2013 |
| I-90 | I-90/Snowshed to Keechelus Dam Phase 1C - Replace Snowshed and Add Lanes (pdf 1141 kb) | 8127 | 509090C | 73 | 03/20/2014 |
| SR 520 | SR 520, Floating Bridge and Landings Project (pdf 2292 kb) | 8066 | 852004B | 122 | 12/31/2013 |
| SR 520 | SR 520, Floating Bridge and Landings Project (pdf 487 kb) | 8066 | 852004B | 121 | 12/31/2013 |
| SR 520 | SR 520, Floating Bridge and Landings Project (pdf 1809 kb) | 8066 | 852004B | 142 | 03/27/2014 |
| SR 520 | SR 520 Pontoon Construction Design-Build Project (pdf 1842 kb) | 7826 | 852003A | 111 | 12/26/2013 |
| SR 167 | SR 167 Puyallup River Bridge - Bridge Replacement - Truss Repair (pdf 3875 kb) | 8513 | 316725A | 2 | 01/24/2014 |
| SR 520 | SR 520, West Connection Bridge (pdf 294 kb) | 8432 | 852004B | 4 | 01/14/2014 |
| SR 520 | SR 520, West Connection Bridge (pdf 3626 kb) | 8432 | 852004B | 9 | 05/29/2014 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 301kb) | 7999 | 809936E | 94 | 06/04/2014 |
| SR 99 | SR 99, Bored Tunnel Alternative Design (pdf 357kb) | 7999 | 809936E | 73 | 08/08/2014 |
| SR 520 | SR 520, Eastside Transit & HOV Project (pdf 365 kb) | 7963 | 852021A | 116 | 03/21/2018 |
| SR 520 | SR 520, Eastside Transit & HOV Project (pdf 4454 kb) | 7963 | 852021A | 94 | 10/13/2014 |
| SR 520 | SR 520, West Approach Bridge North Project (pdf 7.6 mb) | 8625 | 852004B | 116 | 10/23/2017 |
| SR 433 | SR 433, Lewis and Clark Bridge Superstructure Painter (pdf 319 kb) | 7895 | 443313P | 8 | 11/24/2014 |
| SR 104 | SR 104, Hood Canal Bridge (pdf 551 kb) | 8677 | 310439A | 27 | 07/12/2017 |
| SR 104 | SR 104, Hood Canal Bridge (pdf 730 kb) | 8677 | 310439A | 26 | 12/15/2016 |
| SR 104 | SR 104, Hood Canal Bridge (pdf 505 kb) | 8677 | 310439A | 25 | 10/05/2016 |
| SR 104 | SR 104, Hood Canal Bridge (pdf 568 kb) | 8677 | 310439A | 15 | 12/03/2015 |
| I-5 | I-5 Portland Ave to Port of Tacoma Road (pdf 990 kb) | 8670 | 300509N | 201 | 01/16/2018 |
| I-5 | I-5 Portland Ave to Port of Tacoma Road (pdf 1048 kb) | 8670 | 300509N | 36 | 08/19/2015 |
| I-5 | I-5 Portland Ave to Port of Tacoma Road (pdf 337 kb) | 8670 | 300509N | 43 | 08/19/2015 |
| I-5 | I-5 Portland Ave to Port of Tacoma Road (pdf 236 kb) | 8670 | 300509N | 303 | 11/13/2018 |
| I-5 | I-5 Portland Ave to Port of Tacoma Road (pdf 236 kb) | 8670 | 300509N | 315 | 02/21/2019 |
| I-5 | I-5, M St to Portland Ave - HOV (pdf 729 kb) | 8607 | 300509M | 020R1 | 04/10/2015 |
| I-5 | I-5, M St to Portland Ave - HOV (pdf 823 kb) | 8607 | 300509M | 180R1 | 12/28/2016 |
| I-5 | I-5, M St to Portland Ave - HOV (pdf 540 kb) | 8607 | 300509M | 9 | 10/23/2014 |
| I-5 | I-5, Mellen Street to Blakeslee Junction - Stage 2 (pdf 401kb) | 8473 | 400511W | 146 | 11/08/2017 |
