US Bridges

I-90 over Bandera RD

Poor

King County, Washington · 14.9 E JCT SR 202 · Structure no. 0009217D0000000

Built
1972
53 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
18,753
2023 count
Owner
State
State Highway Agency

About this bridge

I-90 over Bandera RD is a prestressed concrete stringer/multi-beam or girder carrying I-90 over Bandera RD in King County, Washington. It was built in 1972, so it is 53 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 18,753 vehicles a day, roughly 18% of them trucks, projected to reach 25,557 by 2039. The structure is 124 ft (37.8 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-90
CrossesBandera RD
Location14.9 E JCT SR 202
RouteInterstate 90
Coordinates47.39536, -121.52667
Functional classRural Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating22.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length124 ft (37.8 m)
Longest span119 ft (36.4 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,753 (2023)
Projected traffic25,557 by 2039
Trucks18%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-90 over Bandera RD built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-90 over Bandera RD in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does I-90 over Bandera RD carry?

About 18,753 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I-90 over Bandera RD?

The structure is 124 ft (37.8 m) long with a longest span of 119 ft (36.4 m) and a deck 55 ft wide.

Who owns I-90 over Bandera RD?

It is owned by the State Highway Agency.