US Bridges

Sharp Lane over Sand Run Gulch

Fair

Canyon County, Idaho · 0.8 N. 1.4 W. Parma · Structure no. 000000000026770

Built
1975
50 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
40
2023 count
Owner
Local
Other Local Agency

About this bridge

Sharp Lane over Sand Run Gulch is a prestressed concrete tee beam carrying Sharp Lane over Sand Run Gulch in Canyon County, Idaho. It was built in 1975, so it is 50 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2039. The structure is 24 ft (7.3 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSharp Lane
CrossesSand Run Gulch
Location0.8 N. 1.4 W. Parma
RouteCounty Highway 0
CountyCanyon County
StateIdaho
Coordinates43.7997, -116.97534
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
Deck8 Very GoodNo problems noted.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic60 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$305,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sharp Lane over Sand Run Gulch built?

It was built in 1975, making it 50 years old in 2025.

What condition is Sharp Lane over Sand Run Gulch 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 November 2024.

How much traffic does Sharp Lane over Sand Run Gulch carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sharp Lane over Sand Run Gulch?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 32 ft wide.

Who owns Sharp Lane over Sand Run Gulch?

It is owned by the Other Local Agency.