US Bridges

Spokane Ave over Whitefish River

Good

Flathead County, Montana · Whitefish-Spokane Ave · Structure no. P00005127+01001

Built
1959
66 years old
Condition
Good
inspected November 2023
Type
Culvert
Steel
Length
60 ft
3 main spans
Daily traffic
16,086
2023 count
Owner
State
State Highway Agency

About this bridge

Spokane Ave over Whitefish River is a steel culvert carrying Spokane Ave over Whitefish River in Flathead County, Montana. It was built in 1959, so it is 66 years old, older 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 16,086 vehicles a day, roughly 1% of them trucks, projected to reach 16,890 by 2043. The structure is 60 ft (18.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSpokane Ave
CrossesWhitefish River
LocationWhitefish-Spokane Ave
RouteU.S. Route 93
StateMontana
Coordinates48.40165, -114.33521
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span14 ft (4.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,086 (2023)
Projected traffic16,890 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Spokane Ave over Whitefish River built?

It was built in 1959, making it 66 years old in 2025.

What condition is Spokane Ave over Whitefish River 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 November 2023.

How much traffic does Spokane Ave over Whitefish River carry?

About 16,086 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Spokane Ave over Whitefish River?

The structure is 60 ft (18.3 m) long with a longest span of 14 ft (4.4 m).

Who owns Spokane Ave over Whitefish River?

It is owned by the State Highway Agency.