US Bridges

Ashley Lake RD over Ashley Creek 096

Fair

Flathead County, Montana · 7M NE Marion · Structure no. L15858002+08001

Built
1999
26 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
224
2023 count
Owner
County
County Highway Agency

About this bridge

Ashley Lake RD over Ashley Creek 096 is a prestressed concrete channel beam carrying Ashley Lake RD over Ashley Creek 096 in Flathead County, Montana. It was built in 1999, so it is 26 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 224 vehicles a day, roughly 3% of them trucks, projected to reach 240 by 2043. The structure is 38 ft (11.7 m) long and 30 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesAshley Lake RD
CrossesAshley Creek 096
Location7M NE Marion
RouteCounty Highway 15858
CountyFlathead County
StateMontana
Coordinates48.13341, -114.57989
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating21.8 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length38 ft (11.7 m)
Longest span38 ft (11.7 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic224 (2023)
Projected traffic240 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 Ashley Lake RD over Ashley Creek 096 built?

It was built in 1999, making it 26 years old in 2025.

What condition is Ashley Lake RD over Ashley Creek 096 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 Ashley Lake RD over Ashley Creek 096 carry?

About 224 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Ashley Lake RD over Ashley Creek 096?

The structure is 38 ft (11.7 m) long with a longest span of 38 ft (11.7 m) and a deck 30 ft wide.

Who owns Ashley Lake RD over Ashley Creek 096?

It is owned by the County Highway Agency.