US Bridges

Pleasants Valley R over Alamo Creek

Good

Solano County, California · 0.5 MI S Vaca Valley RD · Structure no. 23C0012

Built
1947
78 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
1,764
2004 count
Owner
County
County Highway Agency

About this bridge

Pleasants Valley R over Alamo Creek is a concrete slab carrying Pleasants Valley R over Alamo Creek in Solano County, California. It was built in 1947, so it is 78 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 1,764 vehicles a day, roughly 6% of them trucks, projected to reach 1,718 by 2043. The structure is 33 ft (10.1 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesPleasants Valley R
CrossesAlamo Creek
Location0.5 MI S Vaca Valley RD
RouteCounty Highway 0
Coordinates38.37379, -122.02447
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating51.5 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span28 ft (8.5 m)
Deck width29 ft (8.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,764 (2004)
Projected traffic1,718 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Pleasants Valley R over Alamo Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is Pleasants Valley R over Alamo 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 2023.

How much traffic does Pleasants Valley R over Alamo Creek carry?

About 1,764 vehicles per day (2004 count), of which roughly 6% are trucks.

How long is Pleasants Valley R over Alamo Creek?

The structure is 33 ft (10.1 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.

Who owns Pleasants Valley R over Alamo Creek?

It is owned by the County Highway Agency.