US Bridges

Shaw Lane over Middle Line Canal

Good

Elmore County, Idaho · 2.0 N. 1.1 E. Grandview · Structure no. 000000000027781

Built
2022
3 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
30
2023 count
Owner
Local
Other Local Agency

About this bridge

Shaw Lane over Middle Line Canal is a steel stringer/multi-beam or girder carrying Shaw Lane over Middle Line Canal in Elmore County, Idaho. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 5% of them trucks, projected to reach 45 by 2039. The structure is 50 ft (15.2 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesShaw Lane
CrossesMiddle Line Canal
Location2.0 N. 1.1 E. Grandview
RouteCounty Highway 0
StateIdaho
Coordinates43.01214, -116.07649
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2039
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Shaw Lane over Middle Line Canal built?

It was built in 2022, making it 3 years old in 2025.

What condition is Shaw Lane over Middle Line 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 2024.

How much traffic does Shaw Lane over Middle Line Canal carry?

About 30 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Shaw Lane over Middle Line Canal?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 36 ft wide.

Who owns Shaw Lane over Middle Line Canal?

It is owned by the Other Local Agency.