US Bridges

IRR BIA RTE 25 over Badger Creek

Fair

Glacier County, Montana · 8 KM North of Heart Butte · Structure no. 00000000000C145

Built
2002
23 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
117 ft
1 main span
Daily traffic
20
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 25 over Badger Creek is a prestressed concrete tee beam carrying IRR BIA RTE 25 over Badger Creek in Glacier County, Montana. It was built in 2002, so it is 23 years old, younger than the Montana average of 47 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 24 by 2043. The structure is 117 ft (35.8 m) long and 30 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesIRR BIA RTE 25
CrossesBadger Creek
Location8 KM North of Heart Butte
RouteFederal Lands Road 25
StateMontana
Coordinates48.36074, -112.83445
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating59.4 US tons
Inventory rating46.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length117 ft (35.8 m)
Longest span115 ft (35.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic24 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 25 over Badger Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is IRR BIA RTE 25 over Badger Creek 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 September 2023.

How much traffic does IRR BIA RTE 25 over Badger Creek carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IRR BIA RTE 25 over Badger Creek?

The structure is 117 ft (35.8 m) long with a longest span of 115 ft (35.1 m) and a deck 30 ft wide.

Who owns IRR BIA RTE 25 over Badger Creek?

It is owned by the Bureau of Indian Affairs.