US Bridges

Centerville RD over South Branch Pit River

Good

Modoc County, California · 0.6 MI S of SH 299 · Structure no. 03C0018

Built
1958
67 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
83 ft
4 main spans
Daily traffic
245
2012 count
Owner
County
County Highway Agency

About this bridge

Centerville RD over South Branch Pit River is a concrete continuous slab carrying Centerville RD over South Branch Pit River in Modoc County, California. It was built in 1958, so it is 67 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 245 vehicles a day, roughly 10% of them trucks, projected to reach 262 by 2041. The structure is 83 ft (25.3 m) long and 29 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesCenterville RD
CrossesSouth Branch Pit River
Location0.6 MI S of SH 299
RouteCounty Highway 0
Coordinates41.43452, -120.87126
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic245 (2012)
Projected traffic262 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Centerville RD over South Branch Pit River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Centerville RD over South Branch Pit River 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 August 2023.

How much traffic does Centerville RD over South Branch Pit River carry?

About 245 vehicles per day (2012 count), of which roughly 10% are trucks.

How long is Centerville RD over South Branch Pit River?

The structure is 83 ft (25.3 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns Centerville RD over South Branch Pit River?

It is owned by the County Highway Agency.