US Bridges

Washington RD;300W over Aberdeen Springfield Cnl

Fair

Bingham County, Idaho · 5.0 N. 0.6 W. Blackfoot · Structure no. 000000000022800

Built
1967
58 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

Washington RD;300W over Aberdeen Springfield Cnl is a prestressed concrete tee beam carrying Washington RD;300W over Aberdeen Springfield Cnl in Bingham County, Idaho. It was built in 1967, so it is 58 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2039. The structure is 55 ft (16.8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWashington RD;300W
CrossesAberdeen Springfield Cnl
Location5.0 N. 0.6 W. Blackfoot
RouteCounty Highway 0
StateIdaho
Coordinates43.26176, -112.3556
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length55 ft (16.8 m)
Longest span54 ft (16.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic300 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Washington RD;300W over Aberdeen Springfield Cnl built?

It was built in 1967, making it 58 years old in 2025.

What condition is Washington RD;300W over Aberdeen Springfield Cnl 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 Washington RD;300W over Aberdeen Springfield Cnl carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Washington RD;300W over Aberdeen Springfield Cnl?

The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 30 ft wide.

Who owns Washington RD;300W over Aberdeen Springfield Cnl?

It is owned by the County Highway Agency.