US Bridges

Fox Road over Ulatis Creek

Fair

Solano County, California · 0.5 MI North of Hawkins · Structure no. 23C0116

Built
1964
61 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
68 ft
3 main spans
Daily traffic
57
2003 count
Owner
County
County Highway Agency

About this bridge

Fox Road over Ulatis Creek is a concrete continuous slab carrying Fox Road over Ulatis Creek in Solano County, California. It was built in 1964, so it is 61 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 57 vehicles a day, roughly 4% of them trucks, projected to reach 191 by 2041. The structure is 68 ft (20.7 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFox Road
CrossesUlatis Creek
Location0.5 MI North of Hawkins
RouteCounty Highway 0
CountySolano County
StateCalifornia
Coordinates38.36598, -121.87808
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span26 ft (7.9 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57 (2003)
Projected traffic191 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Fox Road over Ulatis Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Fox Road over Ulatis Creek 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 March 2023.

How much traffic does Fox Road over Ulatis Creek carry?

About 57 vehicles per day (2003 count), of which roughly 4% are trucks.

How long is Fox Road over Ulatis Creek?

The structure is 68 ft (20.7 m) long with a longest span of 26 ft (7.9 m) and a deck 29 ft wide.

Who owns Fox Road over Ulatis Creek?

It is owned by the County Highway Agency.