US Bridges

Interstate 80 over Walsh ST

Fair

Placer County, California · 03-PLA-080-17.73-AUB · Structure no. 19 0073

Built
1946
79 years old, rebuilt 1989
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
86 ft
3 main spans
Daily traffic
59,000
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 80 over Walsh ST is a concrete slab carrying Interstate 80 over Walsh ST in Placer County, California. It was built in 1946 and reconstructed in 1989, so it is 79 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 59,000 vehicles a day, roughly 8% of them trucks, projected to reach 139,087 by 2045. The structure is 86 ft (26.3 m) long and 159 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 80
CrossesWalsh ST
Location03-PLA-080-17.73-AUB
RouteInterstate 80
Coordinates38.90205, -121.07236
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length86 ft (26.3 m)
Longest span36 ft (11 m)
Deck width159 ft (48.6 m)
Roadway width154 ft (47 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,000 (2019)
Projected traffic139,087 by 2045
Trucks8%
Lanes on structure9
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 80 over Walsh ST built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1989.

What condition is Interstate 80 over Walsh ST in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does Interstate 80 over Walsh ST carry?

About 59,000 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Interstate 80 over Walsh ST?

The structure is 86 ft (26.3 m) long with a longest span of 36 ft (11 m) and a deck 159 ft wide.

Who owns Interstate 80 over Walsh ST?

It is owned by the State Highway Agency.