US Bridges

Edgar Ave over Comanche Creek

FairPosted for load

Butte County, California · 0.7 MI E of Crough Ave · Structure no. 12C0107

Built
1930
95 years old, rebuilt 1991
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
21
2019 count
Owner
County
County Highway Agency

About this bridge

Edgar Ave over Comanche Creek is a steel stringer/multi-beam or girder carrying Edgar Ave over Comanche Creek in Butte County, California. It was built in 1930 and reconstructed in 1991, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 21 vehicles a day, roughly 42% of them trucks, projected to reach 220 by 2046. The structure is 33 ft (10.1 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesEdgar Ave
CrossesComanche Creek
Location0.7 MI E of Crough Ave
RouteCounty Highway 0
CountyButte County
StateCalifornia
Coordinates39.69603, -121.87316
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.4 US tons
Inventory rating12.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2019)
Projected traffic220 by 2046
Trucks42%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Edgar Ave over Comanche Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1991.

What condition is Edgar Ave over Comanche 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 May 2024.

How much traffic does Edgar Ave over Comanche Creek carry?

About 21 vehicles per day (2019 count), of which roughly 42% are trucks.

How long is Edgar Ave over Comanche Creek?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 20 ft wide.

Who owns Edgar Ave over Comanche Creek?

It is owned by the County Highway Agency.