US Bridges

Chestnut ST over Little Chico Creek

Fair

Butte County, California · At W 9th ST · Structure no. 12C0335

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
1,700
2000 count
Owner
City
City or Municipal Highway Agency

About this bridge

Chestnut ST over Little Chico Creek is a concrete continuous slab carrying Chestnut ST over Little Chico Creek in Butte County, California. It was built in 1980, so it is 45 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 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 1,700 vehicles a day, roughly 3% of them trucks, projected to reach 2,974 by 2044. The structure is 77 ft (23.6 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChestnut ST
CrossesLittle Chico Creek
LocationAt W 9th ST
RouteCity Street 0
Coordinates39.72272, -121.83819
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length77 ft (23.6 m)
Longest span30 ft (9.1 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2000)
Projected traffic2,974 by 2044
Trucks3%
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 Chestnut ST over Little Chico Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Chestnut 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 Chestnut ST over Little Chico Creek carry?

About 1,700 vehicles per day (2000 count), of which roughly 3% are trucks.

How long is Chestnut ST over Little Chico Creek?

The structure is 77 ft (23.6 m) long with a longest span of 30 ft (9.1 m) and a deck 52 ft wide.

Who owns Chestnut ST over Little Chico Creek?

It is owned by the City or Municipal Highway Agency.