US Bridges

Johnson Road over Aberdeen Springfield Cnl

Fair

Bingham County, Idaho · 2.8 N. 1.9 E. Groveland · Structure no. 000000000022735

Built
1975
50 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
68 ft
2 main spans
Daily traffic
150
2023 count
Owner
County
County Highway Agency

About this bridge

Johnson Road over Aberdeen Springfield Cnl is a prestressed concrete tee beam carrying Johnson Road over Aberdeen Springfield Cnl in Bingham County, Idaho. It was built in 1975, so it is 50 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 225 by 2039. The structure is 68 ft (20.7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesJohnson Road
CrossesAberdeen Springfield Cnl
Location2.8 N. 1.9 E. Groveland
RouteCounty Highway 0
CountyBingham County
StateIdaho
Coordinates43.26035, -112.33612
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 adequacy7: Better than present minimum 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 length68 ft (20.7 m)
Longest span32 ft (9.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic225 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Johnson Road over Aberdeen Springfield Cnl built?

It was built in 1975, making it 50 years old in 2025.

What condition is Johnson Road 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 Johnson Road over Aberdeen Springfield Cnl carry?

About 150 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Johnson Road over Aberdeen Springfield Cnl?

The structure is 68 ft (20.7 m) long with a longest span of 32 ft (9.8 m) and a deck 30 ft wide.

Who owns Johnson Road over Aberdeen Springfield Cnl?

It is owned by the County Highway Agency.