US Bridges

Mesa RD over E Br Durham Mutual Ditch

Good

Butte County, California · 0.35 MI W Orovle Chico Hy · Structure no. 12C0353

Built
1920
105 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
50
1979 count
Owner
County
County Highway Agency

About this bridge

Mesa RD over E Br Durham Mutual Ditch is a concrete continuous slab carrying Mesa RD over E Br Durham Mutual Ditch in Butte County, California. It was built in 1920, so it is 105 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 50 vehicles a day, roughly 39% of them trucks, projected to reach 99 by 2046. The structure is 22 ft (6.7 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMesa RD
CrossesE Br Durham Mutual Ditch
Location0.35 MI W Orovle Chico Hy
RouteCounty Highway 0
Coordinates39.65906, -121.75583
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span11 ft (3.3 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1979)
Projected traffic99 by 2046
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Mesa RD over E Br Durham Mutual Ditch built?

It was built in 1920, making it 105 years old in 2025.

What condition is Mesa RD over E Br Durham Mutual Ditch 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 2024.

How much traffic does Mesa RD over E Br Durham Mutual Ditch carry?

About 50 vehicles per day (1979 count), of which roughly 39% are trucks.

How long is Mesa RD over E Br Durham Mutual Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.3 m) and a deck 23 ft wide.

Who owns Mesa RD over E Br Durham Mutual Ditch?

It is owned by the County Highway Agency.