US Bridges

Moller Avenue over Moller Slough

Good

Tehama County, California · West of Third Ave · Structure no. 08C0099

Built
1938
87 years old, rebuilt 2002
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
2 main spans
Daily traffic
40
2013 count
Owner
County
County Highway Agency

About this bridge

Moller Avenue over Moller Slough is a steel stringer/multi-beam or girder carrying Moller Avenue over Moller Slough in Tehama County, California. It was built in 1938 and reconstructed in 2002, so it is 87 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 40 vehicles a day, projected to reach 99 by 2041. The structure is 32 ft (9.8 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMoller Avenue
CrossesMoller Slough
LocationWest of Third Ave
RouteCounty Highway 0
Coordinates39.81143, -122.06776
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating83.2 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span15 ft (4.6 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2013)
Projected traffic99 by 2041
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Moller Avenue over Moller Slough built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2002.

What condition is Moller Avenue over Moller Slough 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 April 2023.

How much traffic does Moller Avenue over Moller Slough carry?

About 40 vehicles per day (2013 count).

How long is Moller Avenue over Moller Slough?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m) and a deck 18 ft wide.

Who owns Moller Avenue over Moller Slough?

It is owned by the County Highway Agency.