US Bridges

IRR BIA RTE 1 over Little Badger Creek

Fair

Glacier County, Montana · 24.1 KM South of Browning · Structure no. 00000000000C102

Built
1972
53 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
1,000
2021 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 1 over Little Badger Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 1 over Little Badger Creek in Glacier County, Montana. It was built in 1972, so it is 53 years old, older 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 1,000 vehicles a day, roughly 10% of them trucks, projected to reach 1,300 by 2043. The structure is 47 ft (14.3 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesIRR BIA RTE 1
CrossesLittle Badger Creek
Location24.1 KM South of Browning
RouteFederal Lands Road 1
StateMontana
Coordinates48.35791, -113.00211
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2021)
Projected traffic1,300 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR BIA RTE 1 over Little Badger Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is IRR BIA RTE 1 over Little 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 1 over Little Badger Creek carry?

About 1,000 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is IRR BIA RTE 1 over Little Badger Creek?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 34 ft wide.

Who owns IRR BIA RTE 1 over Little Badger Creek?

It is owned by the Bureau of Indian Affairs.