US Bridges

SH 39 over Aberdeen Wasteway Canal

Fair

Bingham County, Idaho · 0.6 N. Aberdeen · Structure no. 000000000014175

Built
1968
57 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
35 ft
1 main span
Daily traffic
2,000
2023 count
Owner
State
State Highway Agency

About this bridge

SH 39 over Aberdeen Wasteway Canal is a concrete tee beam carrying SH 39 over Aberdeen Wasteway Canal in Bingham County, Idaho. It was built in 1968, so it is 57 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 2,000 vehicles a day, roughly 29% of them trucks, projected to reach 3,000 by 2042. The structure is 35 ft (10.7 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 39
CrossesAberdeen Wasteway Canal
Location0.6 N. Aberdeen
RouteState Highway 39
StateIdaho
Coordinates42.95107, -112.83716
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic3,000 by 2042
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 39 over Aberdeen Wasteway Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is SH 39 over Aberdeen Wasteway 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 February 2024.

How much traffic does SH 39 over Aberdeen Wasteway Canal carry?

About 2,000 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is SH 39 over Aberdeen Wasteway Canal?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 37 ft wide.

Who owns SH 39 over Aberdeen Wasteway Canal?

It is owned by the State Highway Agency.