US Bridges

Payne Road over Great Western Canal

Fair

Bonneville County, Idaho · 5.7 N. 1.0 W. Idaho Falls · Structure no. 000000000031225

Built
1961
64 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
71 ft
2 main spans
Daily traffic
380
2023 count
Owner
County
County Highway Agency

About this bridge

Payne Road over Great Western Canal is a prestressed concrete tee beam carrying Payne Road over Great Western Canal in Bonneville County, Idaho. It was built in 1961, so it is 64 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 6 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 380 vehicles a day, roughly 3% of them trucks, projected to reach 570 by 2042. The structure is 71 ft (21.6 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPayne Road
CrossesGreat Western Canal
Location5.7 N. 1.0 W. Idaho Falls
RouteCounty Highway 0
CountyBonneville County
StateIdaho
Coordinates43.56972, -112.05608
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2023)
Projected traffic570 by 2042
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Payne Road over Great Western Canal built?

It was built in 1961, making it 64 years old in 2025.

What condition is Payne Road over Great Western 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 2023.

How much traffic does Payne Road over Great Western Canal carry?

About 380 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Payne Road over Great Western Canal?

The structure is 71 ft (21.6 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Payne Road over Great Western Canal?

It is owned by the County Highway Agency.