US Bridges

Palermo-Honcut HWY over Wyandotte Creek

Fair

Butte County, California · 0.6 MI N of Cox Lane · Structure no. 12C0128

Built
1963
62 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
101 ft
4 main spans
Daily traffic
1,611
2019 count
Owner
County
County Highway Agency

About this bridge

Palermo-Honcut HWY over Wyandotte Creek is a concrete continuous slab carrying Palermo-Honcut HWY over Wyandotte Creek in Butte County, California. It was built in 1963, so it is 62 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 1,611 vehicles a day, roughly 25% of them trucks, projected to reach 1,257 by 2044. The structure is 101 ft (30.8 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesPalermo-Honcut HWY
CrossesWyandotte Creek
Location0.6 MI N of Cox Lane
RouteCounty Highway 0
CountyButte County
StateCalifornia
Coordinates39.39329, -121.53985
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 protection8 Very GoodNo problems noted.
Last inspectionAugust 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 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 rating70.8 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,611 (2019)
Projected traffic1,257 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Palermo-Honcut HWY over Wyandotte Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Palermo-Honcut HWY 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 August 2023.

How much traffic does Palermo-Honcut HWY over Wyandotte Creek carry?

About 1,611 vehicles per day (2019 count), of which roughly 25% are trucks.

How long is Palermo-Honcut HWY over Wyandotte Creek?

The structure is 101 ft (30.8 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns Palermo-Honcut HWY over Wyandotte Creek?

It is owned by the County Highway Agency.