US Bridges

IRR BIA RTE 130 over Swift Current Creek

Fair

Glacier County, Montana · 3 KM South of Babb · Structure no. 00000000000C119

Built
1966
59 years old, rebuilt 1976
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
170 ft
3 main spans
Daily traffic
300
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 130 over Swift Current Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 130 over Swift Current Creek in Glacier County, Montana. It was built in 1966 and reconstructed in 1976, so it is 59 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 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 351 by 2043. The structure is 170 ft (51.8 m) long and 27 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesIRR BIA RTE 130
CrossesSwift Current Creek
Location3 KM South of Babb
RouteFederal Lands Road 130
StateMontana
Coordinates48.84271, -113.43359
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length170 ft (51.8 m)
Longest span56 ft (17.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic351 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 130 over Swift Current Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1976.

What condition is IRR BIA RTE 130 over Swift Current 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 130 over Swift Current Creek carry?

About 300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IRR BIA RTE 130 over Swift Current Creek?

The structure is 170 ft (51.8 m) long with a longest span of 56 ft (17.1 m) and a deck 27 ft wide.

Who owns IRR BIA RTE 130 over Swift Current Creek?

It is owned by the Bureau of Indian Affairs.