US Bridges

US Highway 101 over SR 254 South Fork Eel Rv

Good

Humboldt County, California · 01-HUM-101-R17.89 · Structure no. 04 0065

Built
1964
61 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
876 ft
4 main spans
Daily traffic
5,900
2014 count
Owner
State
State Highway Agency

About this bridge

US Highway 101 over SR 254 South Fork Eel Rv is a concrete continuous stringer/multi-beam or girder carrying US Highway 101 over SR 254 South Fork Eel Rv in Humboldt County, California. It was built in 1964, so it is 61 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,900 vehicles a day, roughly 16% of them trucks, projected to reach 8,771 by 2041. The structure is 876 ft (267 m) long and 72 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

CarriesUS Highway 101
CrossesSR 254 South Fork Eel Rv
Location01-HUM-101-R17.89
RouteU.S. Route 101
Coordinates40.18171, -123.77609
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length876 ft (267 m)
Longest span312 ft (95.1 m)
Deck width72 ft (21.9 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2014)
Projected traffic8,771 by 2041
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed44.1 mi (71 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US Highway 101 over SR 254 South Fork Eel Rv built?

It was built in 1964, making it 61 years old in 2025.

What condition is US Highway 101 over SR 254 South Fork Eel Rv in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does US Highway 101 over SR 254 South Fork Eel Rv carry?

About 5,900 vehicles per day (2014 count), of which roughly 16% are trucks.

How long is US Highway 101 over SR 254 South Fork Eel Rv?

The structure is 876 ft (267 m) long with a longest span of 312 ft (95.1 m) and a deck 72 ft wide.

Who owns US Highway 101 over SR 254 South Fork Eel Rv?

It is owned by the State Highway Agency.