US Bridges

Air Base Pkwy over UP RR BNSF RY & AMTRAK

Fair

Solano County, California · 3 MI E/O I-80 Interchange · Structure no. 23C0031

Built
1954
71 years old, rebuilt 1955
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
198 ft
3 main spans
Daily traffic
25,330
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Air Base Pkwy over UP RR BNSF RY & AMTRAK is a steel continuous stringer/multi-beam or girder carrying Air Base Pkwy over UP RR BNSF RY & AMTRAK in Solano County, California. It was built in 1954 and reconstructed in 1955, so it is 71 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 5 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 25,330 vehicles a day, roughly 10% of them trucks, projected to reach 48,200 by 2043. The structure is 198 ft (60.4 m) long and 66 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesAir Base Pkwy
CrossesUP RR BNSF RY & AMTRAK
Location3 MI E/O I-80 Interchange
RouteCity Street 0
CountySolano County
StateCalifornia
Coordinates38.27145, -121.99399
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.5 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span83 ft (25.3 m)
Deck width66 ft (20.1 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,330 (2015)
Projected traffic48,200 by 2043
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed9.9 mi (16 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Air Base Pkwy over UP RR BNSF RY & AMTRAK built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1955.

What condition is Air Base Pkwy over UP RR BNSF RY & AMTRAK 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 2023.

How much traffic does Air Base Pkwy over UP RR BNSF RY & AMTRAK carry?

About 25,330 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Air Base Pkwy over UP RR BNSF RY & AMTRAK?

The structure is 198 ft (60.4 m) long with a longest span of 83 ft (25.3 m) and a deck 66 ft wide.

Who owns Air Base Pkwy over UP RR BNSF RY & AMTRAK?

It is owned by the City or Municipal Highway Agency.