US Bridges

Holt Stage RD over Flathead Riv OVERFL0 014

Poor

Flathead County, Montana · 2M E Kalispell · Structure no. L15091000+03001

Built
1992
33 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
97 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Holt Stage RD over Flathead Riv OVERFL0 014 is a prestressed concrete stringer/multi-beam or girder carrying Holt Stage RD over Flathead Riv OVERFL0 014 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 97 ft (29.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHolt Stage RD
CrossesFlathead Riv OVERFL0 014
Location2M E Kalispell
RouteCounty Highway 15091
StateMontana
Coordinates48.20817, -114.26492
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating36 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span95 ft (29 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 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 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 Holt Stage RD over Flathead Riv OVERFL0 014 built?

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

What condition is Holt Stage RD over Flathead Riv OVERFL0 014 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Holt Stage RD over Flathead Riv OVERFL0 014 carry?

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

How long is Holt Stage RD over Flathead Riv OVERFL0 014?

The structure is 97 ft (29.6 m) long with a longest span of 95 ft (29 m) and a deck 30 ft wide.

Who owns Holt Stage RD over Flathead Riv OVERFL0 014?

It is owned by the County Highway Agency.