US Bridges

33007: Butte Creek over Butte Creek

Poor

Humboldt County, California · 40 Mi. SE of Fortuna · Structure no. 0000000L2015335

Built
1980
45 years old, rebuilt 2004
Condition
Poor
inspected December 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
39 ft
2 main spans
Daily traffic
50
2018 count
Owner
Federal
Bureau of Land Management

About this bridge

33007: Butte Creek over Butte Creek is a aluminum, wrought iron, or cast iron culvert carrying 33007: Butte Creek over Butte Creek in Humboldt County, California. It was built in 1980 and reconstructed in 2004, so it is 45 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 50 vehicles a day, projected to reach 100 by 2040. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Carries33007: Butte Creek
CrossesButte Creek
Location40 Mi. SE of Fortuna
RouteCity Street 0
Coordinates40.42927, -123.67302
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.9 US tons
Inventory rating32.5 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2018)
Projected traffic100 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 33007: Butte Creek over Butte Creek built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2004.

What condition is 33007: Butte Creek over Butte Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does 33007: Butte Creek over Butte Creek carry?

About 50 vehicles per day (2018 count).

How long is 33007: Butte Creek over Butte Creek?

The structure is 39 ft (11.9 m) long with a longest span of 17 ft (5.2 m).

Who owns 33007: Butte Creek over Butte Creek?

It is owned by the Bureau of Land Management.