US Bridges

Mule Creek over East Fork Stuart Fork

Good

Trinity County, California · No Data Entered · Structure no. 051456000001021

Built
1967
58 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Concrete
Length
60 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Mule Creek over East Fork Stuart Fork is a concrete tee beam carrying Mule Creek over East Fork Stuart Fork in Trinity County, California. It was built in 1967, so it is 58 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 60 ft (18.4 m) long and 19 ft wide.

CarriesMule Creek
CrossesEast Fork Stuart Fork
LocationNo Data Entered
RouteFederal Lands Road 35N23
Coordinates40.9257, -121.1176
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation*: *
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating—
Inventory rating—

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length60 ft (18.4 m)
Longest span59 ft (18.1 m)
Deck width19 ft (5.9 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mule Creek over East Fork Stuart Fork built?

It was built in 1967, making it 58 years old in 2025.

What condition is Mule Creek over East Fork Stuart Fork 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 June 2023.

How much traffic does Mule Creek over East Fork Stuart Fork carry?

About 50 vehicles per day (latest count).

How long is Mule Creek over East Fork Stuart Fork?

The structure is 60 ft (18.4 m) long with a longest span of 59 ft (18.1 m) and a deck 19 ft wide.

Who owns Mule Creek over East Fork Stuart Fork?

It is owned by the U.S. Forest Service.