US Bridges

Bear Creek Road over Bear Creek

Good

Contra Costa County, California · 0.4 MI N Happy Valley RD · Structure no. 28C0227

Built
1965
60 years old
Condition
Good
inspected November 2024
Type
Tee Beam
Concrete
Length
135 ft
3 main spans
Daily traffic
1,040
2013 count
Owner
County
County Highway Agency

About this bridge

Bear Creek Road over Bear Creek is a concrete tee beam carrying Bear Creek Road over Bear Creek in Contra Costa 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,040 vehicles a day, roughly 2% of them trucks, projected to reach 1,367 by 2046. The structure is 135 ft (41.2 m) long and 35 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

CarriesBear Creek Road
CrossesBear Creek
Location0.4 MI N Happy Valley RD
RouteCounty Highway 0
Coordinates37.92156, -122.16439
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating28.9 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length135 ft (41.2 m)
Longest span45 ft (13.7 m)
Deck width35 ft (10.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,040 (2013)
Projected traffic1,367 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Bear Creek Road over Bear Creek built?

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

What condition is Bear Creek Road over Bear Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Bear Creek Road over Bear Creek carry?

About 1,040 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Bear Creek Road over Bear Creek?

The structure is 135 ft (41.2 m) long with a longest span of 45 ft (13.7 m) and a deck 35 ft wide.

Who owns Bear Creek Road over Bear Creek?

It is owned by the County Highway Agency.