US Bridges

SR757 Muller LN over Carson Rvr

Fair

Douglas County, Nevada · Northwest of Minden · Structure no. B 477

Built
1947
78 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
160 ft
5 main spans
Daily traffic
1,750
2021 count
Owner
State
State Highway Agency

About this bridge

SR757 Muller LN over Carson Rvr is a concrete continuous slab carrying SR757 Muller LN over Carson Rvr in Douglas County, Nevada. It was built in 1947, so it is 78 years old, older than the Nevada average of 36.4 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 1,750 vehicles a day, roughly 8% of them trucks, projected to reach 3,723 by 2040. The structure is 160 ft (48.8 m) long and 28 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesSR757 Muller LN
CrossesCarson Rvr
LocationNorthwest of Minden
RouteState Highway 757
CountyDouglas County
StateNevada
Coordinates38.97076, -119.79912
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.4 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadH 15
Structure length160 ft (48.8 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2021)
Projected traffic3,723 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$710,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR757 Muller LN over Carson Rvr built?

It was built in 1947, making it 78 years old in 2025.

What condition is SR757 Muller LN over Carson Rvr 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 April 2023.

How much traffic does SR757 Muller LN over Carson Rvr carry?

About 1,750 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is SR757 Muller LN over Carson Rvr?

The structure is 160 ft (48.8 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns SR757 Muller LN over Carson Rvr?

It is owned by the State Highway Agency.