US Bridges

Lower Honcut RD over Wyandotte Creek

Fair

Butte County, California · 1.5 MI E/O ST HWY 70 · Structure no. 12C0271

Built
1937
88 years old, rebuilt 1976
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
42 ft
3 main spans
Daily traffic
807
2019 count
Owner
County
County Highway Agency

About this bridge

Lower Honcut RD over Wyandotte Creek is a steel continuous stringer/multi-beam or girder carrying Lower Honcut RD over Wyandotte Creek in Butte County, California. It was built in 1937 and reconstructed in 1976, so it is 88 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 807 vehicles a day, roughly 16% of them trucks, projected to reach 1,781 by 2041. The structure is 42 ft (12.8 m) long and 36 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLower Honcut RD
CrossesWyandotte Creek
Location1.5 MI E/O ST HWY 70
RouteCounty Highway 0
Coordinates39.32105, -121.56996
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating23.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic807 (2019)
Projected traffic1,781 by 2041
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Lower Honcut RD over Wyandotte Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1976.

What condition is Lower Honcut RD over Wyandotte 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 July 2023.

How much traffic does Lower Honcut RD over Wyandotte Creek carry?

About 807 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is Lower Honcut RD over Wyandotte Creek?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m) and a deck 36 ft wide.

Who owns Lower Honcut RD over Wyandotte Creek?

It is owned by the County Highway Agency.