US Bridges

IRR BIA RTE 68 over Big Jimmey Creek

Good

Bannock County, Idaho · 15KM W Ft Hall in Bottoms · Structure no. 0000P04180B0402

Built
2014
11 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
35
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 68 over Big Jimmey Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 68 over Big Jimmey Creek in Bannock County, Idaho. It was built in 2014, so it is 11 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2043. The structure is 79 ft (24.1 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIRR BIA RTE 68
CrossesBig Jimmey Creek
Location15KM W Ft Hall in Bottoms
RouteFederal Lands Road 68
StateIdaho
Coordinates43.02003, -112.60353
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span76 ft (23.2 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic40 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR BIA RTE 68 over Big Jimmey Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is IRR BIA RTE 68 over Big Jimmey Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does IRR BIA RTE 68 over Big Jimmey Creek carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IRR BIA RTE 68 over Big Jimmey Creek?

The structure is 79 ft (24.1 m) long with a longest span of 76 ft (23.2 m) and a deck 34 ft wide.

Who owns IRR BIA RTE 68 over Big Jimmey Creek?

It is owned by the Bureau of Indian Affairs.