US Bridges

N00109 over US 2

Good

Flathead County, Montana · Kalispell · Structure no. 000000000007037

Built
2016
9 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
194 ft
3 main spans
Daily traffic
22,752
2023 count
Owner
State
State Highway Agency

About this bridge

N00109 over US 2 is a prestressed concrete stringer/multi-beam or girder carrying N00109 over US 2 in Flathead County, Montana. It was built in 2016, so it is 9 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 22,752 vehicles a day, roughly 1% of them trucks, projected to reach 25,027 by 2043. The structure is 194 ft (59.1 m) long and 75 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesN00109
CrossesUS 2
LocationKalispell
RouteState Highway 109
StateMontana
Coordinates48.19707, -114.33987
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating57.5 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length194 ft (59.1 m)
Longest span115 ft (35 m)
Deck width75 ft (23 m)
Roadway width73 ft (22.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,752 (2023)
Projected traffic25,027 by 2043
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N00109 over US 2 built?

It was built in 2016, making it 9 years old in 2025.

What condition is N00109 over US 2 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 January 2025.

How much traffic does N00109 over US 2 carry?

About 22,752 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is N00109 over US 2?

The structure is 194 ft (59.1 m) long with a longest span of 115 ft (35 m) and a deck 75 ft wide.

Who owns N00109 over US 2?

It is owned by the State Highway Agency.