US Bridges

Eagle Crk Loop RD over Minnehaha Creek

Fair

Trinity County, California · 3 MI N of Coffee Crk RD · Structure no. 05C0007

Built
1974
51 years old, rebuilt 1991
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
60
1990 count
Owner
County
County Highway Agency

About this bridge

Eagle Crk Loop RD over Minnehaha Creek is a steel stringer/multi-beam or girder carrying Eagle Crk Loop RD over Minnehaha Creek in Trinity County, California. It was built in 1974 and reconstructed in 1991, so it is 51 years old, younger 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 60 vehicles a day, roughly 5% of them trucks, projected to reach 106 by 2042. The structure is 56 ft (17.1 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesEagle Crk Loop RD
CrossesMinnehaha Creek
Location3 MI N of Coffee Crk RD
RouteCounty Highway 0
Coordinates41.12664, -122.70221
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length56 ft (17.1 m)
Longest span54 ft (16.5 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (1990)
Projected traffic106 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Eagle Crk Loop RD over Minnehaha Creek built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 1991.

What condition is Eagle Crk Loop RD over Minnehaha 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 Eagle Crk Loop RD over Minnehaha Creek carry?

About 60 vehicles per day (1990 count), of which roughly 5% are trucks.

How long is Eagle Crk Loop RD over Minnehaha Creek?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 20 ft wide.

Who owns Eagle Crk Loop RD over Minnehaha Creek?

It is owned by the County Highway Agency.