US Bridges

East Fk Hayfork RD over East Fork Hayfork Creek

Fair

Trinity County, California · 1.8 MI E Wildwood Road · Structure no. 05C0139

Built
1965
60 years old, rebuilt 1992
Condition
Fair
inspected May 2024
Type
Girder and Floorbeam System
Steel
Length
44 ft
1 main span
Daily traffic
50
1980 count
Owner
County
County Highway Agency

About this bridge

East Fk Hayfork RD over East Fork Hayfork Creek is a steel girder and floorbeam system carrying East Fk Hayfork RD over East Fork Hayfork Creek in Trinity County, California. It was built in 1965 and reconstructed in 1992, so it is 60 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 50 vehicles a day, projected to reach 97 by 2042. The structure is 44 ft (13.4 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesEast Fk Hayfork RD
CrossesEast Fork Hayfork Creek
Location1.8 MI E Wildwood Road
RouteCounty Highway 0
CountyTrinity County
StateCalifornia
Coordinates40.49813, -123.04642
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment6: Equal to present minimum criteria
Operating rating54.7 US tons
Inventory rating32.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span41 ft (12.5 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1980)
Projected traffic97 by 2042
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

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 East Fk Hayfork RD over East Fork Hayfork Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1992.

What condition is East Fk Hayfork RD over East Fork Hayfork 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 May 2024.

How much traffic does East Fk Hayfork RD over East Fork Hayfork Creek carry?

About 50 vehicles per day (1980 count).

How long is East Fk Hayfork RD over East Fork Hayfork Creek?

The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.5 m) and a deck 16 ft wide.

Who owns East Fk Hayfork RD over East Fork Hayfork Creek?

It is owned by the County Highway Agency.