US Bridges

No Data Entered over ST Regis River

Fair

Mineral County, Montana · No Data Entered · Structure no. 011607000003052

Built
1940
85 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
124 ft
6 main spans
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over ST Regis River is a wood or timber stringer/multi-beam or girder carrying No Data Entered over ST Regis River in Mineral County, Montana. It was built in 1940, so it is 85 years old, older 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 124 ft (37.7 m) long and 11 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesNo Data Entered
CrossesST Regis River
LocationNo Data Entered
RouteFederal Lands Road 7775
CountyMineral County
StateMontana
Coordinates47.41695, -115.55842
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.3 US tons
Inventory rating18.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans6
Design loadUnknown
Structure length124 ft (37.7 m)
Longest span29 ft (8.7 m)
Deck width11 ft (3.5 m)
Roadway width10 ft (3.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 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 ST Regis River built?

It was built in 1940, making it 85 years old in 2025.

What condition is No Data Entered over ST Regis 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 July 2023.

How much traffic does No Data Entered over ST Regis River carry?

About 50 vehicles per day (latest count).

How long is No Data Entered over ST Regis River?

The structure is 124 ft (37.7 m) long with a longest span of 29 ft (8.7 m) and a deck 11 ft wide.

Who owns No Data Entered over ST Regis River?

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