US Bridges

IRR BIA RTE 1 over East Fork Carson River

Fair

Douglas County, Nevada · 0.5 KM South of HWY 395 · Structure no. 00000000000H318

Built
2000
25 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
198 ft
3 main spans
Daily traffic
400
2024 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 1 over East Fork Carson River is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 1 over East Fork Carson River in Douglas County, Nevada. It was built in 2000, so it is 25 years old, younger 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 775 by 2044. The structure is 198 ft (60.4 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIRR BIA RTE 1
CrossesEast Fork Carson River
Location0.5 KM South of HWY 395
RouteFederal Lands Road 1
StateNevada
Coordinates38.87603, -119.68994
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.7 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span74 ft (22.5 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic775 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 IRR BIA RTE 1 over East Fork Carson River built?

It was built in 2000, making it 25 years old in 2025.

What condition is IRR BIA RTE 1 over East Fork Carson 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 October 2024.

How much traffic does IRR BIA RTE 1 over East Fork Carson River carry?

About 400 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is IRR BIA RTE 1 over East Fork Carson River?

The structure is 198 ft (60.4 m) long with a longest span of 74 ft (22.5 m) and a deck 33 ft wide.

Who owns IRR BIA RTE 1 over East Fork Carson River?

It is owned by the Bureau of Indian Affairs.