US Bridges

Thousand Spring RD over Bear Creek

Good

Shasta County, California · 0.1 MI East Elder RD · Structure no. 06C0257

Built
1980
45 years old
Condition
Good
inspected May 2021
Type
Tee Beam
Concrete
Length
42 ft
1 main span
Daily traffic
100
2015 count
Owner
County
County Highway Agency

About this bridge

Thousand Spring RD over Bear Creek is a concrete tee beam carrying Thousand Spring RD over Bear Creek in Shasta County, California. It was built in 1980, so it is 45 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2041. The structure is 42 ft (12.8 m) long and 17 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesThousand Spring RD
CrossesBear Creek
Location0.1 MI East Elder RD
RouteCounty Highway 0
Coordinates41.13168, -121.57824
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span41 ft (12.5 m)
Deck width17 ft (5.1 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2015)
Projected traffic160 by 2041
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Thousand Spring RD over Bear Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Thousand Spring 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 May 2021.

How much traffic does Thousand Spring RD over Bear Creek carry?

About 100 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Thousand Spring RD over Bear Creek?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 17 ft wide.

Who owns Thousand Spring RD over Bear Creek?

It is owned by the County Highway Agency.