US Bridges

Bangor HWY over Rocky Huncut Creek

Fair

Butte County, California · 2.5 MI N/O LA Porte RD · Structure no. 12C0292

Built
1937
88 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
1,624
2019 count
Owner
County
County Highway Agency

About this bridge

Bangor HWY over Rocky Huncut Creek is a steel stringer/multi-beam or girder carrying Bangor HWY over Rocky Huncut Creek in Butte County, California. It was built in 1937, 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 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 1,624 vehicles a day, roughly 3% of them trucks, projected to reach 2,095 by 2044. The structure is 51 ft (15.4 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesBangor HWY
CrossesRocky Huncut Creek
Location2.5 MI N/O LA Porte RD
RouteCounty Highway 0
Coordinates39.42008, -121.4271
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.4 m)
Longest span48 ft (14.6 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,624 (2019)
Projected traffic2,095 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bangor HWY over Rocky Huncut Creek built?

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

What condition is Bangor HWY over Rocky Huncut 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 Bangor HWY over Rocky Huncut Creek carry?

About 1,624 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Bangor HWY over Rocky Huncut Creek?

The structure is 51 ft (15.4 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.

Who owns Bangor HWY over Rocky Huncut Creek?

It is owned by the County Highway Agency.