US Bridges

Interstate 80 WB over Ulatis Creek

Good

Solano County, California · 04-SOL-080-R26.61-VAC · Structure no. 23 0052L

Built
1952
73 years old, rebuilt 1963
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
132 ft
5 main spans
Daily traffic
70,500
2009 count
Owner
State
State Highway Agency

About this bridge

Interstate 80 WB over Ulatis Creek is a concrete continuous slab carrying Interstate 80 WB over Ulatis Creek in Solano County, California. It was built in 1952 and reconstructed in 1963, so it is 73 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 70,500 vehicles a day, roughly 6% of them trucks, projected to reach 121,388 by 2046. The structure is 132 ft (40.2 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 80 WB
CrossesUlatis Creek
Location04-SOL-080-R26.61-VAC
RouteInterstate 80
Coordinates38.35595, -121.9769
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span77 ft (23.5 m)
Deck width79 ft (24 m)
Roadway width76 ft (23.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,500 (2009)
Projected traffic121,388 by 2046
Trucks6%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 80 WB over Ulatis Creek built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1963.

What condition is Interstate 80 WB over Ulatis 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 WB over Ulatis Creek carry?

About 70,500 vehicles per day (2009 count), of which roughly 6% are trucks.

How long is Interstate 80 WB over Ulatis Creek?

The structure is 132 ft (40.2 m) long with a longest span of 77 ft (23.5 m) and a deck 79 ft wide.

Who owns Interstate 80 WB over Ulatis Creek?

It is owned by the State Highway Agency.