US Bridges

IRR - US 2 over Moccasin Creek

Fair

Flathead County, Montana · 6M E West Glacier · Structure no. P00001160+06501

Built
1972
53 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
33 ft
1 main span
Daily traffic
2,491
2023 count
Owner
State
State Highway Agency

About this bridge

IRR - US 2 over Moccasin Creek is a concrete culvert carrying IRR - US 2 over Moccasin Creek in Flathead 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 2,491 vehicles a day, roughly 4% of them trucks, projected to reach 2,616 by 2043. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIRR - US 2
CrossesMoccasin Creek
Location6M E West Glacier
RouteU.S. Route 2
StateMontana
Coordinates48.48171, -113.84871
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 15
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,491 (2023)
Projected traffic2,616 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 - US 2 over Moccasin Creek built?

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

What condition is IRR - US 2 over Moccasin 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 July 2023.

How much traffic does IRR - US 2 over Moccasin Creek carry?

About 2,491 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is IRR - US 2 over Moccasin Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m).

Who owns IRR - US 2 over Moccasin Creek?

It is owned by the State Highway Agency.