US Bridges

Bruce ST over Little Chico Creek

Fair

Butte County, California · At/South of Humboldt Ave · Structure no. 12C0061

Built
1961
64 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
57 ft
2 main spans
Daily traffic
1,058
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bruce ST over Little Chico Creek is a concrete continuous slab carrying Bruce ST over Little Chico Creek in Butte County, California. It was built in 1961, so it is 64 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 6 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 1,058 vehicles a day, roughly 5% of them trucks, projected to reach 2,611 by 2042. The structure is 57 ft (17.4 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBruce ST
CrossesLittle Chico Creek
LocationAt/South of Humboldt Ave
RouteCity Street 0
Coordinates39.73319, -121.81953
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.4 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span28 ft (8.6 m)
Deck width35 ft (10.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,058 (2018)
Projected traffic2,611 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 ST over Little Chico Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Bruce ST over Little Chico 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 October 2024.

How much traffic does Bruce ST over Little Chico Creek carry?

About 1,058 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Bruce ST over Little Chico Creek?

The structure is 57 ft (17.4 m) long with a longest span of 28 ft (8.6 m) and a deck 35 ft wide.

Who owns Bruce ST over Little Chico Creek?

It is owned by the City or Municipal Highway Agency.