US Bridges

Vanden Road over New Alamo Creek Channel

Fair

Solano County, California · 0.4 MI S Jepson RD · Structure no. 23C0167

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
84 ft
3 main spans
Daily traffic
6,460
2009 count
Owner
County
County Highway Agency

About this bridge

Vanden Road over New Alamo Creek Channel is a concrete continuous slab carrying Vanden Road over New Alamo Creek Channel in Solano County, California. It was built in 1965, so it is 60 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 6 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 6,460 vehicles a day, roughly 3% of them trucks, projected to reach 10,236 by 2042. The structure is 84 ft (25.6 m) long and 39 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesVanden Road
CrossesNew Alamo Creek Channel
Location0.4 MI S Jepson RD
RouteCounty Highway 0
CountySolano County
StateCalifornia
Coordinates38.32969, -121.94299
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length84 ft (25.6 m)
Longest span34 ft (10.4 m)
Deck width39 ft (11.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,460 (2009)
Projected traffic10,236 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty 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 Vanden Road over New Alamo Creek Channel built?

It was built in 1965, making it 60 years old in 2025.

What condition is Vanden Road over New Alamo Creek Channel 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 August 2024.

How much traffic does Vanden Road over New Alamo Creek Channel carry?

About 6,460 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Vanden Road over New Alamo Creek Channel?

The structure is 84 ft (25.6 m) long with a longest span of 34 ft (10.4 m) and a deck 39 ft wide.

Who owns Vanden Road over New Alamo Creek Channel?

It is owned by the County Highway Agency and maintained by the City or Municipal Highway Agency.