US Bridges

Tule Creek Road over Salt Creek

Good

Trinity County, California · 0.8 MI West of S.R. 3 · Structure no. 05C0042

Built
1947
78 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
122 ft
2 main spans
Daily traffic
670
2000 count
Owner
County
County Highway Agency

About this bridge

Tule Creek Road over Salt Creek is a concrete continuous tee beam carrying Tule Creek Road over Salt Creek in Trinity County, California. It was built in 1947, so it is 78 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 670 vehicles a day, roughly 2% of them trucks, projected to reach 798 by 2042. The structure is 122 ft (37.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTule Creek Road
CrossesSalt Creek
Location0.8 MI West of S.R. 3
RouteCounty Highway 0
Coordinates40.54872, -123.20478
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.8 US tons
Inventory rating20.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span48 ft (14.5 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2000)
Projected traffic798 by 2042
Trucks2%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Tule Creek Road over Salt Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is Tule Creek Road over Salt 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 2024.

How much traffic does Tule Creek Road over Salt Creek carry?

About 670 vehicles per day (2000 count), of which roughly 2% are trucks.

How long is Tule Creek Road over Salt Creek?

The structure is 122 ft (37.2 m) long with a longest span of 48 ft (14.5 m) and a deck 28 ft wide.

Who owns Tule Creek Road over Salt Creek?

It is owned by the County Highway Agency.