US Bridges

Stc 1844;HOFF Road over Aberdeen Springfield Cnl

Fair

Bingham County, Idaho · 0.5 N. 0.1 E. Rockford · Structure no. 000000000022925

Built
1990
35 years old
Condition
Fair
inspected March 2024
Type
Frame
Concrete
Length
92 ft
3 main spans
Daily traffic
710
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 1844;HOFF Road over Aberdeen Springfield Cnl is a concrete frame carrying Stc 1844;HOFF Road over Aberdeen Springfield Cnl in Bingham County, Idaho. It was built in 1990, so it is 35 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 5 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 710 vehicles a day, roughly 37% of them trucks, projected to reach 1,065 by 2042. The structure is 92 ft (28 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesStc 1844;HOFF Road
CrossesAberdeen Springfield Cnl
Location0.5 N. 0.1 E. Rockford
RouteCounty Highway 1844
StateIdaho
Coordinates43.19719, -112.53064
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span30 ft (9.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2023)
Projected traffic1,065 by 2042
Trucks37%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 1844;HOFF Road over Aberdeen Springfield Cnl built?

It was built in 1990, making it 35 years old in 2025.

What condition is Stc 1844;HOFF 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 March 2024.

How much traffic does Stc 1844;HOFF Road over Aberdeen Springfield Cnl carry?

About 710 vehicles per day (2023 count), of which roughly 37% are trucks.

How long is Stc 1844;HOFF Road over Aberdeen Springfield Cnl?

The structure is 92 ft (28 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.

Who owns Stc 1844;HOFF Road over Aberdeen Springfield Cnl?

It is owned by the County Highway Agency.