US Bridges

Bear Valley Road over Burns Creek

Fair

Mariposa County, California · 2.2 MI NE Hornitos RD · Structure no. 40C0023

Built
1961
64 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
190
1988 count
Owner
County
County Highway Agency

About this bridge

Bear Valley Road over Burns Creek is a concrete slab carrying Bear Valley Road over Burns Creek in Mariposa County, California. It was built in 1961, so it is 64 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 190 vehicles a day, roughly 3% of them trucks, projected to reach 657 by 2042. The structure is 32 ft (9.8 m) long and 26 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesBear Valley Road
CrossesBurns Creek
Location2.2 MI NE Hornitos RD
RouteCounty Highway 0
Coordinates37.52001, -120.22712
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.5 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (1988)
Projected traffic657 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bear Valley Road over Burns Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Bear Valley Road over Burns 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 June 2024.

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

About 190 vehicles per day (1988 count), of which roughly 3% are trucks.

How long is Bear Valley Road over Burns Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.5 m) and a deck 26 ft wide.

Who owns Bear Valley Road over Burns Creek?

It is owned by the County Highway Agency.