US Bridges

Ulatis DR over Ulatis Creek

Good

Solano County, California · West of Nut Tree Road · Structure no. 23C0217

Built
1986
39 years old
Condition
Good
inspected March 2021
Type
Slab
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
10,920
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ulatis DR over Ulatis Creek is a prestressed concrete slab carrying Ulatis DR over Ulatis Creek in Solano County, California. It was built in 1986, so it is 39 years old, younger 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 10,920 vehicles a day, roughly 5% of them trucks, projected to reach 14,333 by 2043. The structure is 53 ft (16.2 m) long and 75 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUlatis DR
CrossesUlatis Creek
LocationWest of Nut Tree Road
RouteCity Street 0
Coordinates38.35714, -121.95431
Functional classUrban Local

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 inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width75 ft (22.9 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,920 (2012)
Projected traffic14,333 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Ulatis DR over Ulatis Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Ulatis DR 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 March 2021.

How much traffic does Ulatis DR over Ulatis Creek carry?

About 10,920 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Ulatis DR over Ulatis Creek?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 75 ft wide.

Who owns Ulatis DR over Ulatis Creek?

It is owned by the City or Municipal Highway Agency.