US Bridges

Interstate 80 EB over South Fork Putah Creek

Good

Solano County, California · 04-SOL-080-42.36 · Structure no. 23 0054R

Built
1940
85 years old, rebuilt 1974
Condition
Good
inspected November 2024
Type
Tee Beam
Concrete Continuous
Length
478 ft
11 main spans
Daily traffic
59,500
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 80 EB over South Fork Putah Creek is a concrete continuous tee beam carrying Interstate 80 EB over South Fork Putah Creek in Solano County, California. It was built in 1940 and reconstructed in 1974, so it is 85 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 59,500 vehicles a day, roughly 7% of them trucks, projected to reach 88,311 by 2046. The structure is 478 ft (145.7 m) long and 72 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesInterstate 80 EB
CrossesSouth Fork Putah Creek
Location04-SOL-080-42.36
RouteInterstate 80
Coordinates38.51757, -121.77226
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadH 20
Structure length478 ft (145.7 m)
Longest span50 ft (15.2 m)
Deck width72 ft (21.8 m)
Roadway width69 ft (21.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,500 (2020)
Projected traffic88,311 by 2046
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 80 EB over South Fork Putah Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1974.

What condition is Interstate 80 EB over South Fork Putah Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Interstate 80 EB over South Fork Putah Creek carry?

About 59,500 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Interstate 80 EB over South Fork Putah Creek?

The structure is 478 ft (145.7 m) long with a longest span of 50 ft (15.2 m) and a deck 72 ft wide.

Who owns Interstate 80 EB over South Fork Putah Creek?

It is owned by the State Highway Agency.