US Bridges

Willie RD over I 15;WILLIE Road Gs

Poor

Bingham County, Idaho · 4.5 S. Blackfoot · Structure no. 000000000023105

Built
1959
66 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
212 ft
3 main spans
Daily traffic
160
2023 count
Owner
State
State Highway Agency

About this bridge

Willie RD over I 15;WILLIE Road Gs is a prestressed concrete stringer/multi-beam or girder carrying Willie RD over I 15;WILLIE Road Gs in Bingham County, Idaho. It was built in 1959, so it is 66 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 160 vehicles a day, roughly 14% of them trucks, projected to reach 240 by 2042. The structure is 212 ft (64.6 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWillie RD
CrossesI 15;WILLIE Road Gs
Location4.5 S. Blackfoot
RouteCounty Highway 0
CountyBingham County
StateIdaho
Coordinates43.13833, -112.38906
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span49 ft (14.9 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2023)
Projected traffic240 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Willie RD over I 15;WILLIE Road Gs built?

It was built in 1959, making it 66 years old in 2025.

What condition is Willie RD over I 15;WILLIE Road Gs in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Willie RD over I 15;WILLIE Road Gs carry?

About 160 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Willie RD over I 15;WILLIE Road Gs?

The structure is 212 ft (64.6 m) long with a longest span of 49 ft (14.9 m) and a deck 29 ft wide.

Who owns Willie RD over I 15;WILLIE Road Gs?

It is owned by the State Highway Agency.