US Bridges

River Road over Grand View Irrg.Dist.Cnl

Fair

Owyhee County, Idaho · 3.1 S. 5.6 E. Grand View · Structure no. 000000000028220

Built
1965
60 years old, rebuilt 1978
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
55 ft
2 main spans
Daily traffic
220
2023 count
Owner
County
County Highway Agency

About this bridge

River Road over Grand View Irrg.Dist.Cnl is a steel continuous stringer/multi-beam or girder carrying River Road over Grand View Irrg.Dist.Cnl in Owyhee County, Idaho. It was built in 1965 and reconstructed in 1978, so it is 60 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 220 vehicles a day, roughly 10% of them trucks, projected to reach 330 by 2039. The structure is 55 ft (16.8 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRiver Road
CrossesGrand View Irrg.Dist.Cnl
Location3.1 S. 5.6 E. Grand View
RouteCounty Highway 0
StateIdaho
Coordinates42.94216, -115.98882
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span26 ft (7.9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2023)
Projected traffic330 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$534,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was River Road over Grand View Irrg.Dist.Cnl built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1978.

What condition is River Road over Grand View Irrg.Dist.Cnl 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 February 2024.

How much traffic does River Road over Grand View Irrg.Dist.Cnl carry?

About 220 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is River Road over Grand View Irrg.Dist.Cnl?

The structure is 55 ft (16.8 m) long with a longest span of 26 ft (7.9 m) and a deck 24 ft wide.

Who owns River Road over Grand View Irrg.Dist.Cnl?

It is owned by the County Highway Agency.