US Bridges

Jp RD over Whitefish River 154

Fair

Flathead County, Montana · 2M SE Whitefish · Structure no. L15205000+03001

Built
1985
40 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
130 ft
1 main span
Daily traffic
2,775
2023 count
Owner
County
County Highway Agency

About this bridge

Jp RD over Whitefish River 154 is a prestressed concrete tee beam carrying Jp RD over Whitefish River 154 in Flathead County, Montana. It was built in 1985, so it is 40 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 5 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 2,775 vehicles a day, projected to reach 2,955 by 2043. The structure is 130 ft (39.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesJp RD
CrossesWhitefish River 154
Location2M SE Whitefish
RouteCounty Highway 15205
CountyFlathead County
StateMontana
Coordinates48.38549, -114.32967
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating24 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span130 ft (39.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,775 (2023)
Projected traffic2,955 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Jp RD over Whitefish River 154 built?

It was built in 1985, making it 40 years old in 2025.

What condition is Jp RD over Whitefish River 154 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 Jp RD over Whitefish River 154 carry?

About 2,775 vehicles per day (2023 count).

How long is Jp RD over Whitefish River 154?

The structure is 130 ft (39.6 m) long with a longest span of 130 ft (39.6 m) and a deck 30 ft wide.

Who owns Jp RD over Whitefish River 154?

It is owned by the County Highway Agency.