US Bridges

IRR BIA RTE 1015 over Hicks Creek

Fair

Missoula County, Montana · 26 KM East of Arlee · Structure no. 00000000000P840

Built
2001
24 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
20
2021 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 1015 over Hicks Creek is a steel stringer/multi-beam or girder carrying IRR BIA RTE 1015 over Hicks Creek in Missoula County, Montana. It was built in 2001, so it is 24 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 50% of them trucks, projected to reach 40 by 2041. The structure is 30 ft (9.1 m) long and 17 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIRR BIA RTE 1015
CrossesHicks Creek
Location26 KM East of Arlee
RouteFederal Lands Road 1015
StateMontana
Coordinates47.20747, -113.78419
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99.9 US tons
Inventory rating66 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width17 ft (5.1 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2021)
Projected traffic40 by 2041
Trucks50%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$29,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR BIA RTE 1015 over Hicks Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is IRR BIA RTE 1015 over Hicks 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 June 2023.

How much traffic does IRR BIA RTE 1015 over Hicks Creek carry?

About 20 vehicles per day (2021 count), of which roughly 50% are trucks.

How long is IRR BIA RTE 1015 over Hicks Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 17 ft wide.

Who owns IRR BIA RTE 1015 over Hicks Creek?

It is owned by the Bureau of Indian Affairs.