US Bridges

SR 160 SB over Wilbur Avenue

Fair

Contra Costa County, California · 04-CC-160-0.49 · Structure no. 28 0030L

Built
1971
54 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
158 ft
1 main span
Daily traffic
6,800
2018 count
Owner
State
State Highway Agency

About this bridge

SR 160 SB over Wilbur Avenue is a prestressed concrete box beam or girders - multiple carrying SR 160 SB over Wilbur Avenue in Contra Costa County, California. It was built in 1971, so it is 54 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 6,800 vehicles a day, roughly 7% of them trucks, projected to reach 8,793 by 2042. The structure is 158 ft (48.2 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesSR 160 SB
CrossesWilbur Avenue
Location04-CC-160-0.49
RouteState Highway 160
CountyContra Costa County
StateCalifornia
Coordinates38.01208, -121.75224
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating38.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span156 ft (47.5 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2018)
Projected traffic8,793 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 160 SB over Wilbur Avenue built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR 160 SB over Wilbur Avenue 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 July 2024.

How much traffic does SR 160 SB over Wilbur Avenue carry?

About 6,800 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is SR 160 SB over Wilbur Avenue?

The structure is 158 ft (48.2 m) long with a longest span of 156 ft (47.5 m) and a deck 41 ft wide.

Who owns SR 160 SB over Wilbur Avenue?

It is owned by the State Highway Agency.