US Bridges

River Road over Grand View Irrg.Dist.Cnl

FairPosted for load

Owyhee County, Idaho · 1.0 N. 2.1 W. Grand View · Structure no. 000000000028240

Built
1986
39 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
90
2023 count
Owner
County
County Highway Agency

About this bridge

River Road over Grand View Irrg.Dist.Cnl is a steel stringer/multi-beam or girder carrying River Road over Grand View Irrg.Dist.Cnl in Owyhee County, Idaho. It was built in 1986, so it is 39 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 90 vehicles a day, roughly 5% of them trucks, projected to reach 135 by 2039. The structure is 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRiver Road
CrossesGrand View Irrg.Dist.Cnl
Location1.0 N. 2.1 W. Grand View
RouteCounty Highway 0
CountyOwyhee County
StateIdaho
Coordinates42.99731, -116.13881
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating24.8 US tons
Inventory rating13.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2023)
Projected traffic135 by 2039
Trucks5%
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$312,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1986, making it 39 years old in 2025.

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 2023.

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

About 90 vehicles per day (2023 count), of which roughly 5% are trucks.

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

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 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.