US Bridges

01N04A over Lee Vining Creek

Good

Mono County, California · No Data Entered · Structure no. 050451000003014

Built
2005
20 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

01N04A over Lee Vining Creek is a prestressed concrete slab carrying 01N04A over Lee Vining Creek in Mono County, California. It was built in 2005, so it is 20 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 39 ft (11.9 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Carries01N04A
CrossesLee Vining Creek
LocationNo Data Entered
RouteFederal Lands Road 1N04
Coordinates37.93866, -119.25069
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span0 ft (0 m)
Deck width16 ft (4.9 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 01N04A over Lee Vining Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is 01N04A over Lee Vining 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 September 2024.

How much traffic does 01N04A over Lee Vining Creek carry?

About 50 vehicles per day (latest count).

How long is 01N04A over Lee Vining Creek?

The structure is 39 ft (11.9 m) long and a deck 16 ft wide.

Who owns 01N04A over Lee Vining Creek?

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