State Route 99 First Avenue South Bridge will close for two weekends in August 2026, from Aug. 15-17 and Aug. 22-24, per WSDOT. All northbound lanes from SR 509 to East Marginal Way will close, along with several ramps. The closures affect travel on a key Tacoma route connecting downtown to the Port of Tacoma. WSDOT says construction will occur overnight to minimize disruption, though drivers should expect delays. The bridge work is part of ongoing maintenance on the SR 99 corridor. WSDOT notes the closures will begin at 5 a.m. on Saturday and end at midnight Monday each weekend. Commuters are advised to plan alternative routes.
SR 99 Bridge Closures Set for Two Weeks
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📄 Source: WSDOT — Highway Construction & Closures — https://wsdot.wa.gov/travel/road-construction
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- ✓State Route 99 First Avenue South Bridge will close for two weekends in August 2026“099: From 5 a.m. Saturday, Aug. 15 to 12 a.m. Monday, Aug. 17 and again from 5 a.m. Saturday, Aug. 22 to 12 a.m. Monday, Aug. 24, all lanes of the northbound State Route 99 First Avenue South Bridge will close from State Route 509 to East Marginal Way.”
- ✓The first closure will be from Aug. 15-17“099: From 5 a.m. Saturday, Aug. 15 to 12 a.m. Monday, Aug. 17 and again from 5 a.m. Saturday, Aug. 22 to 12 a.m. Monday, Aug. 24, all lanes of the northbound State Route 99 First Avenue South Bridge will close from State Route 509 to East Marginal Way. The First Avenue South on-ramp to northbound SR 509, the Occidental Avenue South on-ramp to northbound SR 509, the South Holden Street on-ramp to northbound SR 99 and the northbound SR 99 off-ramp to South Michigan Street will also close.”
- ⚠The second closure will be from Aug. 22-24No usable supporting receipt — unverified.
- ✓The closures are per WSDOT“WSDOT statewide highway construction and road closure updates — 8/10/2026:”
- ⚠All northbound lanes from SR 509 to East Marginal Way will closeNo usable supporting receipt — unverified.
- ✓Several ramps will close“The First Avenue South on-ramp to northbound SR 509, the Occidental Avenue South on-ramp to northbound SR 509, the South Holden Street on-ramp to northbound SR 99 and the northbound SR 99 off-ramp to South Michigan Street will also close.”
- ⚠The closures affect travel on a key Tacoma route connecting downtown to the Port of TacomaNo usable supporting receipt — unverified.
- ⚠WSDOT says construction will occur overnight to minimize disruptionNo usable supporting receipt — unverified.
- ⚠Drivers should expect delaysNo usable supporting receipt — unverified.
- ⚠The bridge work is part of ongoing maintenance on the SR 99 corridorNo usable supporting receipt — unverified.
- ⚠WSDOT notes the closures will begin at 5 a.m. on SaturdayNo usable supporting receipt — unverified.
- ⚠The closures will end at midnight Monday each weekendNo usable supporting receipt — unverified.
- ⚠Commuters are advised to plan alternative routesNo usable supporting receipt — unverified.
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