US Bridges

100 West Road over U Canal

Fair

Jerome County, Idaho · 5.1 N. 1.0 W. Jerome · Structure no. 000000000024725

Built
1960
65 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
52 ft
2 main spans
Daily traffic
100
2023 count
Owner
Local
Other Local Agency

About this bridge

100 West Road over U Canal is a concrete tee beam carrying 100 West Road over U Canal in Jerome County, Idaho. It was built in 1960, so it is 65 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 11% of them trucks, projected to reach 150 by 2042. The structure is 52 ft (15.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries100 West Road
CrossesU Canal
Location5.1 N. 1.0 W. Jerome
RouteCounty Highway 0
CountyJerome County
StateIdaho
Coordinates42.79686, -114.53839
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to 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
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic150 by 2042
Trucks11%
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

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$506,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 100 West Road over U Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is 100 West Road over U Canal 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 March 2024.

How much traffic does 100 West Road over U Canal carry?

About 100 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is 100 West Road over U Canal?

The structure is 52 ft (15.8 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns 100 West Road over U Canal?

It is owned by the Other Local Agency.