US Bridges

Sand Road over Sand Run Gulch

Fair

Canyon County, Idaho · 0.9 S 0.2 E Parma · Structure no. 000000000027105

Built
1969
56 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
100
2023 count
Owner
Local
Other Local Agency

About this bridge

Sand Road over Sand Run Gulch is a prestressed concrete tee beam carrying Sand Road over Sand Run Gulch in Canyon County, Idaho. It was built in 1969, so it is 56 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2039. The structure is 28 ft (8.5 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSand Road
CrossesSand Run Gulch
Location0.9 S 0.2 E Parma
RouteCounty Highway 0
CountyCanyon County
StateIdaho
Coordinates43.77353, -116.94197
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
Deck7 GoodSome minor problems.
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 protection7 GoodSome minor problems.
Last inspectionFebruary 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span21 ft (6.3 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic150 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$375,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sand Road over Sand Run Gulch built?

It was built in 1969, making it 56 years old in 2025.

What condition is Sand Road 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 February 2024.

How much traffic does Sand Road over Sand Run Gulch carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sand Road over Sand Run Gulch?

The structure is 28 ft (8.5 m) long with a longest span of 21 ft (6.3 m) and a deck 29 ft wide.

Who owns Sand Road over Sand Run Gulch?

It is owned by the Other Local Agency.