US Bridges

Burson RD over Bear Creek

Good

Calaveras County, California · 1/4 MI S of SR 12 · Structure no. 30C0060

Built
1986
39 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
1,104
2011 count
Owner
County
County Highway Agency

About this bridge

Burson RD over Bear Creek is a concrete slab carrying Burson RD over Bear Creek in Calaveras County, California. It was built in 1986, so it is 39 years old, younger 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 1,104 vehicles a day, roughly 2% of them trucks, projected to reach 1,126 by 2041. The structure is 25 ft (7.6 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesBurson RD
CrossesBear Creek
Location1/4 MI S of SR 12
RouteCounty Highway 0
Coordinates38.18019, -120.89051
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,104 (2011)
Projected traffic1,126 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Burson RD over Bear Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Burson RD 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 February 2023.

How much traffic does Burson RD over Bear Creek carry?

About 1,104 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Burson RD over Bear Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.

Who owns Burson RD over Bear Creek?

It is owned by the County Highway Agency.