US Bridges

Salem RD over Belt Creek 071

Good

Cascade County, Montana · 16M NE Great Falls · Structure no. L07204006+03001

Built
1998
27 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
328 ft
3 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Salem RD over Belt Creek 071 is a prestressed concrete stringer/multi-beam or girder carrying Salem RD over Belt Creek 071 in Cascade County, Montana. It was built in 1998, so it is 27 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 328 ft (100 m) long and 26 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesSalem RD
CrossesBelt Creek 071
Location16M NE Great Falls
RouteCounty Highway 7204
StateMontana
Coordinates47.58471, -111.03029
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length328 ft (100 m)
Longest span110 ft (33.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 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 closed29.8 mi (48 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 Salem RD over Belt Creek 071 built?

It was built in 1998, making it 27 years old in 2025.

What condition is Salem RD over Belt Creek 071 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 Salem RD over Belt Creek 071 carry?

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

How long is Salem RD over Belt Creek 071?

The structure is 328 ft (100 m) long with a longest span of 110 ft (33.5 m) and a deck 26 ft wide.

Who owns Salem RD over Belt Creek 071?

It is owned by the County Highway Agency.