US Bridges

US 2 over Fisher River

Fair

Lincoln County, Montana · 14M W Happy`s Inn · Structure no. P00001057+01801

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
184 ft
2 main spans
Daily traffic
1,429
2023 count
Owner
State
State Highway Agency

About this bridge

US 2 over Fisher River is a prestressed concrete stringer/multi-beam or girder carrying US 2 over Fisher River in Lincoln County, Montana. It was built in 1987, so it is 38 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 1,429 vehicles a day, roughly 6% of them trucks, projected to reach 1,543 by 2043. The structure is 184 ft (56.1 m) long and 42 ft wide. If it were closed, the detour would be 119.9 mi (193 km).

CarriesUS 2
CrossesFisher River
Location14M W Happy`s Inn
RouteU.S. Route 2
StateMontana
Coordinates48.07031, -115.37487
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28 US tons
Inventory rating22 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length184 ft (56.1 m)
Longest span91 ft (27.7 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,429 (2023)
Projected traffic1,543 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed119.9 mi (193 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 US 2 over Fisher River built?

It was built in 1987, making it 38 years old in 2025.

What condition is US 2 over Fisher River 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 October 2024.

How much traffic does US 2 over Fisher River carry?

About 1,429 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 2 over Fisher River?

The structure is 184 ft (56.1 m) long with a longest span of 91 ft (27.7 m) and a deck 42 ft wide.

Who owns US 2 over Fisher River?

It is owned by the State Highway Agency.