US Bridges

Warner ST over Big Chico Creek

Fair

Butte County, California · Btw 1st ST & Legion Ave · Structure no. 12C0276

Built
1938
87 years old, rebuilt 1995
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
81 ft
2 main spans
Daily traffic
7,600
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Warner ST over Big Chico Creek is a concrete tee beam carrying Warner ST over Big Chico Creek in Butte County, California. It was built in 1938 and reconstructed in 1995, 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 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 7,600 vehicles a day, roughly 5% of them trucks, projected to reach 10,442 by 2042. The structure is 81 ft (24.7 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWarner ST
CrossesBig Chico Creek
LocationBtw 1st ST & Legion Ave
RouteCity Street 0
Coordinates39.72879, -121.84823
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length81 ft (24.7 m)
Longest span40 ft (12.1 m)
Deck width39 ft (11.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2018)
Projected traffic10,442 by 2042
Trucks5%
Lanes on structure2
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 Warner ST over Big Chico Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1995.

What condition is Warner ST 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 Warner ST over Big Chico Creek carry?

About 7,600 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Warner ST over Big Chico Creek?

The structure is 81 ft (24.7 m) long with a longest span of 40 ft (12.1 m) and a deck 39 ft wide.

Who owns Warner ST over Big Chico Creek?

It is owned by the City or Municipal Highway Agency.