US Bridges

Evergreen Road over S Fk Tuolumne River

Good

Tuolumne County, California · 1.0 MI S of SR 120 · Structure no. 32C0034

Built
1967
58 years old, rebuilt 2010
Condition
Good
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
465
2015 count
Owner
County
County Highway Agency

About this bridge

Evergreen Road over S Fk Tuolumne River is a concrete continuous tee beam carrying Evergreen Road over S Fk Tuolumne River in Tuolumne County, California. It was built in 1967 and reconstructed in 2010, 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 465 vehicles a day, roughly 2% of them trucks, projected to reach 272 by 2041. The structure is 128 ft (39 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesEvergreen Road
CrossesS Fk Tuolumne River
Location1.0 MI S of SR 120
RouteCounty Highway 0
Coordinates37.81394, -119.86162
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length128 ft (39 m)
Longest span80 ft (24.4 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic465 (2015)
Projected traffic272 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Evergreen Road over S Fk Tuolumne River built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2010.

What condition is Evergreen Road over S Fk Tuolumne 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 July 2023.

How much traffic does Evergreen Road over S Fk Tuolumne River carry?

About 465 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Evergreen Road over S Fk Tuolumne River?

The structure is 128 ft (39 m) long with a longest span of 80 ft (24.4 m) and a deck 32 ft wide.

Who owns Evergreen Road over S Fk Tuolumne River?

It is owned by the County Highway Agency.