US Bridges

500 North Road over U Canal

FairPosted for load

Jerome County, Idaho · 5.0 N. 0.9 W. Jerome · Structure no. 000000000024765

Built
1969
56 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
40 ft
1 main span
Daily traffic
210
2023 count
Owner
Local
Other Local Agency

About this bridge

500 North Road over U Canal is a concrete tee beam carrying 500 North Road over U Canal in Jerome 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. Its operating status is: posted for load restriction.

It carries about 210 vehicles a day, roughly 11% of them trucks, projected to reach 315 by 2042. The structure is 40 ft (12.2 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries500 North Road
CrossesU Canal
Location5.0 N. 0.9 W. Jerome
RouteCounty Highway 0
CountyJerome County
StateIdaho
Coordinates42.79661, -114.53658
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.
Superstructure7 GoodSome minor problems.
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2023)
Projected traffic315 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$416,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 500 North Road over U Canal built?

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

What condition is 500 North 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 November 2024.

How much traffic does 500 North Road over U Canal carry?

About 210 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is 500 North Road over U Canal?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 26 ft wide.

Who owns 500 North Road over U Canal?

It is owned by the Other Local Agency.