US Bridges

US 93 over Ashley Creek

Fair

Flathead County, Montana · S of Kalispell · Structure no. P00005106+07641

Built
2001
24 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
18,053
2023 count
Owner
State
State Highway Agency

About this bridge

US 93 over Ashley Creek is a prestressed concrete stringer/multi-beam or girder carrying US 93 over Ashley Creek in Flathead 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 18,053 vehicles a day, roughly 3% of them trucks, projected to reach 19,497 by 2043. The structure is 103 ft (31.5 m) long and 79 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesUS 93
CrossesAshley Creek
LocationS of Kalispell
RouteU.S. Route 93
StateMontana
Coordinates48.14683, -114.28653
Functional classUrban Other Principal 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
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length103 ft (31.5 m)
Longest span103 ft (31.4 m)
Deck width79 ft (24.2 m)
Roadway width77 ft (23.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,053 (2023)
Projected traffic19,497 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 US 93 over Ashley Creek built?

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

What condition is US 93 over Ashley 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 US 93 over Ashley Creek carry?

About 18,053 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 93 over Ashley Creek?

The structure is 103 ft (31.5 m) long with a longest span of 103 ft (31.4 m) and a deck 79 ft wide.

Who owns US 93 over Ashley Creek?

It is owned by the State Highway Agency.