US Bridges

No Data Entered over Blackfoot River

Good

Powell County, Montana · No Data Entered · Structure no. 011204000013172

Built
2011
14 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
164 ft
1 main span
Daily traffic
31
1986 count
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Blackfoot River is a prestressed concrete stringer/multi-beam or girder carrying No Data Entered over Blackfoot River in Powell County, Montana. It was built in 2011, so it is 14 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 31 vehicles a day, projected to reach 46 by 2045. The structure is 164 ft (50.1 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesNo Data Entered
CrossesBlackfoot River
LocationNo Data Entered
RouteFederal Lands Road 1163
StateMontana
Coordinates46.92607, -112.854
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length164 ft (50.1 m)
Longest span162 ft (49.4 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (1986)
Projected traffic46 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was No Data Entered over Blackfoot River built?

It was built in 2011, making it 14 years old in 2025.

What condition is No Data Entered over Blackfoot River 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 October 2023.

How much traffic does No Data Entered over Blackfoot River carry?

About 31 vehicles per day (1986 count).

How long is No Data Entered over Blackfoot River?

The structure is 164 ft (50.1 m) long with a longest span of 162 ft (49.4 m) and a deck 16 ft wide.

Who owns No Data Entered over Blackfoot River?

It is owned by the U.S. Forest Service.