US Bridges

Wilbur Ave over BNSF RY & AMTRAK UP RR

Fair

Contra Costa County, California · 0.25 MI E/O Minaker DR · Structure no. 28C0054

Built
1958
67 years old, rebuilt 2014
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
624 ft
15 main spans
Daily traffic
7,816
1977 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wilbur Ave over BNSF RY & AMTRAK UP RR is a steel continuous stringer/multi-beam or girder carrying Wilbur Ave over BNSF RY & AMTRAK UP RR in Contra Costa County, California. It was built in 1958 and reconstructed in 2014, so it is 67 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 7,816 vehicles a day, roughly 12% of them trucks, projected to reach 14,605 by 2047. The structure is 624 ft (190.1 m) long and 86 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesWilbur Ave
CrossesBNSF RY & AMTRAK UP RR
Location0.25 MI E/O Minaker DR
RouteCity Street 0
CountyContra Costa County
StateCalifornia
Coordinates38.01214, -121.78876
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length624 ft (190.1 m)
Longest span45 ft (13.7 m)
Deck width86 ft (26.2 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,816 (1977)
Projected traffic14,605 by 2047
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Wilbur Ave over BNSF RY & AMTRAK UP RR built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2014.

What condition is Wilbur Ave over BNSF RY & AMTRAK UP RR 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 January 2025.

How much traffic does Wilbur Ave over BNSF RY & AMTRAK UP RR carry?

About 7,816 vehicles per day (1977 count), of which roughly 12% are trucks.

How long is Wilbur Ave over BNSF RY & AMTRAK UP RR?

The structure is 624 ft (190.1 m) long with a longest span of 45 ft (13.7 m) and a deck 86 ft wide.

Who owns Wilbur Ave over BNSF RY & AMTRAK UP RR?

It is owned by the City or Municipal Highway Agency.