US Bridges

Air Base Parkway over Laurel Creek

Fair

Solano County, California · Dover Ave & Clay Bank RD · Structure no. 23C0113

Built
1988
37 years old
Condition
Fair
inspected December 2021
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
33,441
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

Air Base Parkway over Laurel Creek is a concrete continuous culvert carrying Air Base Parkway over Laurel Creek in Solano County, California. It was built in 1988, so it is 37 years old, younger 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 33,441 vehicles a day, roughly 2% of them trucks, projected to reach 49,083 by 2043. The structure is 38 ft (11.6 m) long and 100 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAir Base Parkway
CrossesLaurel Creek
LocationDover Ave & Clay Bank RD
RouteCity Street 0
Coordinates38.27259, -122.01611
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width100 ft (30.5 m)
Roadway width98 ft (29.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,441 (2007)
Projected traffic49,083 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Air Base Parkway over Laurel Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Air Base Parkway over Laurel 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 December 2021.

How much traffic does Air Base Parkway over Laurel Creek carry?

About 33,441 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is Air Base Parkway over Laurel Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 100 ft wide.

Who owns Air Base Parkway over Laurel Creek?

It is owned by the City or Municipal Highway Agency.