US Bridges

Main Tule Cr. Road over Tule Creek

Good

Trinity County, California · No Data Entered · Structure no. 051452000003026

Built
2005
20 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Main Tule Cr. Road over Tule Creek is a prestressed concrete slab carrying Main Tule Cr. Road over Tule Creek in Trinity County, California. It was built in 2005, so it is 20 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, projected to reach 75 by 2045. The structure is 62 ft (18.9 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesMain Tule Cr. Road
CrossesTule Creek
LocationNo Data Entered
RouteFederal Lands Road 31N31
Coordinates40.4993, -123.2675
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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.4 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length62 ft (18.9 m)
Longest span61 ft (18.6 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 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 closed620.7 mi (999 km)
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 Main Tule Cr. Road over Tule Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Main Tule Cr. Road over Tule Creek 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 2023.

How much traffic does Main Tule Cr. Road over Tule Creek carry?

About 50 vehicles per day (latest count).

How long is Main Tule Cr. Road over Tule Creek?

The structure is 62 ft (18.9 m) long with a longest span of 61 ft (18.6 m) and a deck 16 ft wide.

Who owns Main Tule Cr. Road over Tule Creek?

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