US Bridges

No Data Entered over M-Fork Stanislaus River

Fair

Calaveras County, California · 04N27 · Structure no. 051653000003002

Built
1999
26 years old
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Steel
Length
61 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over M-Fork Stanislaus River is a steel girder and floorbeam system carrying No Data Entered over M-Fork Stanislaus River in Calaveras County, California. It was built in 1999, so it is 26 years old, younger 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 6 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 61 ft (18.6 m) long and 14 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesNo Data Entered
CrossesM-Fork Stanislaus River
Location04N27
RouteFederal Lands Road 4N27
CountyCalaveras County
StateCalifornia
Coordinates38.20177, -120.07938
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating—
Inventory rating—

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 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 No Data Entered over M-Fork Stanislaus River built?

It was built in 1999, making it 26 years old in 2025.

What condition is No Data Entered over M-Fork Stanislaus River 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 September 2023.

How much traffic does No Data Entered over M-Fork Stanislaus River carry?

About 50 vehicles per day (latest count).

How long is No Data Entered over M-Fork Stanislaus River?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 14 ft wide.

Who owns No Data Entered over M-Fork Stanislaus River?

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