US Bridges

300 East Road over L Canal

Good

Jerome County, Idaho · 1.5 S. 3.0 E. Jerome · Structure no. 000000000024698

Built
2003
22 years old
Condition
Good
inspected November 2022
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
540
2023 count
Owner
Local
Other Local Agency

About this bridge

300 East Road over L Canal is a concrete slab carrying 300 East Road over L Canal in Jerome County, Idaho. It was built in 2003, so it is 22 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 540 vehicles a day, roughly 15% of them trucks, projected to reach 810 by 2042. The structure is 24 ft (7.3 m) long and 36 ft wide.

Carries300 East Road
CrossesL Canal
Location1.5 S. 3.0 E. Jerome
RouteCounty Highway 0
StateIdaho
Coordinates42.70286, -114.46286
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic540 (2023)
Projected traffic810 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 300 East Road over L Canal built?

It was built in 2003, making it 22 years old in 2025.

What condition is 300 East Road over L Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2022.

How much traffic does 300 East Road over L Canal carry?

About 540 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is 300 East Road over L Canal?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 36 ft wide.

Who owns 300 East Road over L Canal?

It is owned by the Other Local Agency.