US Bridges

Bridge Street over Belt Creek 012

Good

Cascade County, Montana · Belt-Bridge Street · Structure no. M07007000+00201

Built
2012
13 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Concrete
Length
153 ft
3 main spans
Daily traffic
1,650
2023 count
Owner
County
County Highway Agency

About this bridge

Bridge Street over Belt Creek 012 is a concrete box beam or girders - single or spread carrying Bridge Street over Belt Creek 012 in Cascade County, Montana. It was built in 2012, so it is 13 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 1,650 vehicles a day, roughly 3% of them trucks, projected to reach 1,766 by 2043. The structure is 153 ft (46.7 m) long and 45 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBridge Street
CrossesBelt Creek 012
LocationBelt-Bridge Street
RouteCity Street 7007
StateMontana
Coordinates47.38703, -110.92692
Functional classRural Minor Collector

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment6: Equal to present minimum criteria
Operating rating64 US tons
Inventory rating49.1 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length153 ft (46.7 m)
Longest span97 ft (29.5 m)
Deck width45 ft (13.7 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2023)
Projected traffic1,766 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 Bridge Street over Belt Creek 012 built?

It was built in 2012, making it 13 years old in 2025.

What condition is Bridge Street over Belt Creek 012 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 April 2024.

How much traffic does Bridge Street over Belt Creek 012 carry?

About 1,650 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Bridge Street over Belt Creek 012?

The structure is 153 ft (46.7 m) long with a longest span of 97 ft (29.5 m) and a deck 45 ft wide.

Who owns Bridge Street over Belt Creek 012?

It is owned by the County Highway Agency.