US Bridges

Cedar LN over Wasteway Canal

Fair

Power County, Idaho · 3.5N 1.3W American Falls · Structure no. 000000000034575

Built
1995
30 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
25
2023 count
Owner
County
County Highway Agency

About this bridge

Cedar LN over Wasteway Canal is a prestressed concrete stringer/multi-beam or girder carrying Cedar LN over Wasteway Canal in Power County, Idaho. It was built in 1995, so it is 30 years old, younger 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2039. The structure is 26 ft (8 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCedar LN
CrossesWasteway Canal
Location3.5N 1.3W American Falls
RouteCounty Highway 0
StateIdaho
Coordinates42.82772, -112.88992
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (8 m)
Longest span24 ft (7.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic38 by 2039
Trucks10%
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

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 Cedar LN over Wasteway Canal built?

It was built in 1995, making it 30 years old in 2025.

What condition is Cedar LN over 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 November 2024.

How much traffic does Cedar LN over Wasteway Canal carry?

About 25 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Cedar LN over Wasteway Canal?

The structure is 26 ft (8 m) long with a longest span of 24 ft (7.4 m) and a deck 30 ft wide.

Who owns Cedar LN over Wasteway Canal?

It is owned by the County Highway Agency.