US Bridges

Tetrault RD over Whitefish River 090

Good

Flathead County, Montana · 9M SE Whitefish · Structure no. L15275000+08001

Built
1995
30 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
88 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Tetrault RD over Whitefish River 090 is a prestressed concrete tee beam carrying Tetrault RD over Whitefish River 090 in Flathead County, Montana. It was built in 1995, so it is 30 years old, younger 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 88 ft (26.8 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesTetrault RD
CrossesWhitefish River 090
Location9M SE Whitefish
RouteCounty Highway 15013
StateMontana
Coordinates48.32006, -114.27841
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.8 US tons
Inventory rating15 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span85 ft (25.9 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.7 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 closed6.8 mi (11 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 Tetrault RD over Whitefish River 090 built?

It was built in 1995, making it 30 years old in 2025.

What condition is Tetrault RD over Whitefish River 090 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 Tetrault RD over Whitefish River 090 carry?

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

How long is Tetrault RD over Whitefish River 090?

The structure is 88 ft (26.8 m) long with a longest span of 85 ft (25.9 m) and a deck 30 ft wide.

Who owns Tetrault RD over Whitefish River 090?

It is owned by the County Highway Agency.