US Bridges

Foothill Drive over Encinosa Creek

Good

Solano County, California · 0.1 MI S Pleasant Valley · Structure no. 23C0084

Built
1999
26 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
52 ft
2 main spans
Daily traffic
1,769
2003 count
Owner
County
County Highway Agency

About this bridge

Foothill Drive over Encinosa Creek is a concrete continuous slab carrying Foothill Drive over Encinosa Creek in Solano County, California. It was built in 1999, so it is 26 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 1,769 vehicles a day, roughly 8% of them trucks, projected to reach 5,380 by 2045. The structure is 52 ft (16 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFoothill Drive
CrossesEncinosa Creek
Location0.1 MI S Pleasant Valley
RouteCounty Highway 0
Coordinates38.36192, -122.02222
Functional classRural 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 protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length52 ft (16 m)
Longest span26 ft (8 m)
Deck width35 ft (10.7 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,769 (2003)
Projected traffic5,380 by 2045
Trucks8%
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 Foothill Drive over Encinosa Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Foothill Drive over Encinosa 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 Foothill Drive over Encinosa Creek carry?

About 1,769 vehicles per day (2003 count), of which roughly 8% are trucks.

How long is Foothill Drive over Encinosa Creek?

The structure is 52 ft (16 m) long with a longest span of 26 ft (8 m) and a deck 35 ft wide.

Who owns Foothill Drive over Encinosa Creek?

It is owned by the County Highway Agency.