US Bridges

SH 167 over Middle Line Canal

Good

Elmore County, Idaho · 2.5 N. 0.3 E. Grandview · Structure no. 000000000019853

Built
1994
31 years old
Condition
Good
inspected February 2021
Type
Frame
Concrete
Length
25 ft
1 main span
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

SH 167 over Middle Line Canal is a concrete frame carrying SH 167 over Middle Line Canal in Elmore County, Idaho. It was built in 1994, so it is 31 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 1,600 vehicles a day, roughly 8% of them trucks, projected to reach 2,400 by 2042. The structure is 25 ft (7.6 m) long and 48 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesSH 167
CrossesMiddle Line Canal
Location2.5 N. 0.3 E. Grandview
RouteState Highway 167
StateIdaho
Coordinates43.02656, -116.09137
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2021
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating58 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic2,400 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway 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 SH 167 over Middle Line Canal built?

It was built in 1994, making it 31 years old in 2025.

What condition is SH 167 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 February 2021.

How much traffic does SH 167 over Middle Line Canal carry?

About 1,600 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SH 167 over Middle Line Canal?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 48 ft wide.

Who owns SH 167 over Middle Line Canal?

It is owned by the State Highway Agency.