US Bridges

Star Meadow RD over Logan Creek 177

Fair

Flathead County, Montana · 17M SW Olney · Structure no. L15883008+05801

Built
1981
44 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Star Meadow RD over Logan Creek 177 is a prestressed concrete stringer/multi-beam or girder carrying Star Meadow RD over Logan Creek 177 in Flathead County, Montana. It was built in 1981, so it is 44 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 107 ft (32.7 m) long and 33 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesStar Meadow RD
CrossesLogan Creek 177
Location17M SW Olney
RouteCounty Highway 15883
CountyFlathead County
StateMontana
Coordinates48.42519, -114.64492
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length107 ft (32.7 m)
Longest span101 ft (30.7 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 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 closed21.1 mi (34 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 Star Meadow RD over Logan Creek 177 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Star Meadow RD over Logan Creek 177 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 October 2023.

How much traffic does Star Meadow RD over Logan Creek 177 carry?

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

How long is Star Meadow RD over Logan Creek 177?

The structure is 107 ft (32.7 m) long with a longest span of 101 ft (30.7 m) and a deck 33 ft wide.

Who owns Star Meadow RD over Logan Creek 177?

It is owned by the County Highway Agency.