US Bridges

Main Street over Big Chico Creek

Fair

Butte County, California · 0.15 MI N 2nd ST · Structure no. 12C0205

Built
1912
113 years old, rebuilt 1995
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
52 ft
1 main span
Daily traffic
24,621
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main Street over Big Chico Creek is a concrete tee beam carrying Main Street over Big Chico Creek in Butte County, California. It was built in 1912 and reconstructed in 1995, so it is 113 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 24,621 vehicles a day, roughly 15% of them trucks, projected to reach 37,591 by 2042. The structure is 52 ft (15.8 m) long and 83 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMain Street
CrossesBig Chico Creek
Location0.15 MI N 2nd ST
RouteCity Street 0
Coordinates39.73191, -121.84181
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.8 US tons
Inventory rating16.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span51 ft (15.5 m)
Deck width83 ft (25.3 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,621 (2010)
Projected traffic37,591 by 2042
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Main Street over Big Chico Creek built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1995.

What condition is Main Street over Big 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 Main Street over Big Chico Creek carry?

About 24,621 vehicles per day (2010 count), of which roughly 15% are trucks.

How long is Main Street over Big Chico Creek?

The structure is 52 ft (15.8 m) long with a longest span of 51 ft (15.5 m) and a deck 83 ft wide.

Who owns Main Street over Big Chico Creek?

It is owned by the City or Municipal Highway Agency.