US Bridges

Mollman Pass Trail over N Kicking Horse Res 009

Good

Lake County, Montana · 4M S Ronan · Structure no. 000000202303285

Built
2023
2 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Mollman Pass Trail over N Kicking Horse Res 009 is a steel stringer/multi-beam or girder carrying Mollman Pass Trail over N Kicking Horse Res 009 in Lake County, Montana. It was built in 2023, so it is 2 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 45 ft (13.7 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesMollman Pass Trail
CrossesN Kicking Horse Res 009
Location4M S Ronan
RouteCounty Highway 24405
CountyLake County
StateMontana
Coordinates47.47892, -114.0608
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.7 US tons
Inventory rating16.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span44 ft (13.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Mollman Pass Trail over N Kicking Horse Res 009 built?

It was built in 2023, making it 2 years old in 2025.

What condition is Mollman Pass Trail over N Kicking Horse Res 009 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Mollman Pass Trail over N Kicking Horse Res 009 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is Mollman Pass Trail over N Kicking Horse Res 009?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.5 m) and a deck 24 ft wide.

Who owns Mollman Pass Trail over N Kicking Horse Res 009?

It is owned by the County Highway Agency.