US Bridges

Clark Fork Road over Clarks Fk Stanislaus Riv

Fair

Tuolumne County, California · 0.9 MI North East SR 108 · Structure no. 32C0061

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
99
2016 count
Owner
County
County Highway Agency

About this bridge

Clark Fork Road over Clarks Fk Stanislaus Riv is a steel stringer/multi-beam or girder carrying Clark Fork Road over Clarks Fk Stanislaus Riv in Tuolumne County, California. It was built in 1950, so it is 75 years old, older 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 99 vehicles a day, roughly 2% of them trucks, projected to reach 444 by 2046. The structure is 65 ft (19.8 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesClark Fork Road
CrossesClarks Fk Stanislaus Riv
Location0.9 MI North East SR 108
RouteCounty Highway 0
CountyTuolumne County
StateCalifornia
Coordinates38.36297, -119.87135
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length65 ft (19.8 m)
Longest span62 ft (18.9 m)
Deck width31 ft (9.3 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2016)
Projected traffic444 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 Clark Fork Road over Clarks Fk Stanislaus Riv built?

It was built in 1950, making it 75 years old in 2025.

What condition is Clark Fork Road over Clarks Fk Stanislaus Riv 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 Clark Fork Road over Clarks Fk Stanislaus Riv carry?

About 99 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Clark Fork Road over Clarks Fk Stanislaus Riv?

The structure is 65 ft (19.8 m) long with a longest span of 62 ft (18.9 m) and a deck 31 ft wide.

Who owns Clark Fork Road over Clarks Fk Stanislaus Riv?

It is owned by the County Highway Agency.