US Bridges

Eagle Crk Loop RD over Trinity River

Good

Trinity County, California · 0.25 MI NW of S. R. 3 · Structure no. 05C0059

Built
2001
24 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
152 ft
1 main span
Daily traffic
50
1998 count
Owner
County
County Highway Agency

About this bridge

Eagle Crk Loop RD over Trinity River is a prestressed concrete box beam or girders - multiple carrying Eagle Crk Loop RD over Trinity River in Trinity County, California. It was built in 2001, so it is 24 years old, younger 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 50 vehicles a day, roughly 1% of them trucks, projected to reach 64 by 2042. The structure is 152 ft (46.3 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEagle Crk Loop RD
CrossesTrinity River
Location0.25 MI NW of S. R. 3
RouteCounty Highway 0
Coordinates41.14268, -122.68171
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length152 ft (46.3 m)
Longest span150 ft (45.6 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1998)
Projected traffic64 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Eagle Crk Loop RD over Trinity River built?

It was built in 2001, making it 24 years old in 2025.

What condition is Eagle Crk Loop RD over Trinity River 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 May 2024.

How much traffic does Eagle Crk Loop RD over Trinity River carry?

About 50 vehicles per day (1998 count), of which roughly 1% are trucks.

How long is Eagle Crk Loop RD over Trinity River?

The structure is 152 ft (46.3 m) long with a longest span of 150 ft (45.6 m) and a deck 20 ft wide.

Who owns Eagle Crk Loop RD over Trinity River?

It is owned by the County Highway Agency.