US Bridges

State Highway 41 over South Fork Merced River

Fair

Mariposa County, California · 0.1 Mile South from Range · Structure no. 8800038P0000000

Built
2007
18 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
153 ft
1 main span
Daily traffic
2,403
2022 count
Owner
Federal
National Park Service

About this bridge

State Highway 41 over South Fork Merced River is a prestressed concrete box beam or girders - single or spread carrying State Highway 41 over South Fork Merced River in Mariposa County, California. It was built in 2007, so it is 18 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 2,403 vehicles a day, projected to reach 2,884 by 2042. The structure is 153 ft (46.7 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Highway 41
CrossesSouth Fork Merced River
Location0.1 Mile South from Range
RouteFederal Lands Road 14
Coordinates37.53849, -119.65921
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating62.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length153 ft (46.7 m)
Longest span147 ft (44.8 m)
Deck width42 ft (12.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,403 (2022)
Projected traffic2,884 by 2042
Trucks—
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

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$8,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was State Highway 41 over South Fork Merced River built?

It was built in 2007, making it 18 years old in 2025.

What condition is State Highway 41 over South Fork Merced 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 2024.

How much traffic does State Highway 41 over South Fork Merced River carry?

About 2,403 vehicles per day (2022 count).

How long is State Highway 41 over South Fork Merced River?

The structure is 153 ft (46.7 m) long with a longest span of 147 ft (44.8 m) and a deck 42 ft wide.

Who owns State Highway 41 over South Fork Merced River?

It is owned by the National Park Service.