US Bridges

Bruce Road over S Fork Dead Horse Slough

Fair

Butte County, California · N/O 6th ST · Structure no. 12C0299

Built
1981
44 years old, rebuilt 2006
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
14,500
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bruce Road over S Fork Dead Horse Slough is a concrete continuous culvert carrying Bruce Road over S Fork Dead Horse Slough in Butte County, California. It was built in 1981 and reconstructed in 2006, so it is 44 years old, younger 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.

It carries about 14,500 vehicles a day, roughly 4% of them trucks, projected to reach 18,921 by 2044. The structure is 43 ft (13.2 m) long and 86 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBruce Road
CrossesS Fork Dead Horse Slough
LocationN/O 6th ST
RouteCity Street 0
Coordinates39.74323, -121.79216
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length43 ft (13.2 m)
Longest span11 ft (3.3 m)
Deck width86 ft (26.2 m)
Roadway width70 ft (21.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2015)
Projected traffic18,921 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Bruce Road over S Fork Dead Horse Slough built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2006.

What condition is Bruce Road over S Fork Dead Horse Slough 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 October 2024.

How much traffic does Bruce Road over S Fork Dead Horse Slough carry?

About 14,500 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Bruce Road over S Fork Dead Horse Slough?

The structure is 43 ft (13.2 m) long with a longest span of 11 ft (3.3 m) and a deck 86 ft wide.

Who owns Bruce Road over S Fork Dead Horse Slough?

It is owned by the City or Municipal Highway Agency.