US Bridges

CR 54/CENTERVILLE over Canyon Creek

Good

Modoc County, California · 9.1 MI S/E of SH 299 · Structure no. 03C0023

Built
1958
67 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
83 ft
4 main spans
Daily traffic
100
2012 count
Owner
County
County Highway Agency

About this bridge

CR 54/CENTERVILLE over Canyon Creek is a concrete continuous slab carrying CR 54/CENTERVILLE over Canyon Creek 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 100 vehicles a day, roughly 9% of them trucks, projected to reach 167 by 2041. The structure is 83 ft (25.3 m) long and 29 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesCR 54/CENTERVILLE
CrossesCanyon Creek
Location9.1 MI S/E of SH 299
RouteCounty Highway 0
CountyModoc County
StateCalifornia
Coordinates41.42149, -120.72754
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
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating27.9 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 traffic100 (2012)
Projected traffic167 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 CR 54/CENTERVILLE over Canyon Creek built?

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

What condition is CR 54/CENTERVILLE over Canyon 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 August 2023.

How much traffic does CR 54/CENTERVILLE over Canyon Creek carry?

About 100 vehicles per day (2012 count), of which roughly 9% are trucks.

How long is CR 54/CENTERVILLE over Canyon Creek?

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 CR 54/CENTERVILLE over Canyon Creek?

It is owned by the County Highway Agency.