US Bridges

Westwood LN over Whitefish River 169

Fair

Flathead County, Montana · Kalispell-Westwood LN · Structure no. M15067000+00201

Built
1992
33 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Westwood LN over Whitefish River 169 is a prestressed concrete tee beam carrying Westwood LN over Whitefish River 169 in Flathead County, Montana. It was built in 1992, so it is 33 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 94 ft (28.7 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWestwood LN
CrossesWhitefish River 169
LocationKalispell-Westwood LN
RouteCity Street 15067
StateMontana
Coordinates48.21864, -114.28582
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span92 ft (28 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 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 closed123.7 mi (199 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 Westwood LN over Whitefish River 169 built?

It was built in 1992, making it 33 years old in 2025.

What condition is Westwood LN over Whitefish River 169 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 November 2023.

How much traffic does Westwood LN over Whitefish River 169 carry?

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

How long is Westwood LN over Whitefish River 169?

The structure is 94 ft (28.7 m) long with a longest span of 92 ft (28 m) and a deck 26 ft wide.

Who owns Westwood LN over Whitefish River 169?

It is owned by the County Highway Agency.