US Bridges

Ewing RD over Belt Creek 074

FairPosted for load

Cascade County, Montana · 3M N Belt · Structure no. L07222000+03001

Built
1973
52 years old
Condition
Fair
inspected February 2025
Type
Girder and Floorbeam System
Steel
Length
142 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Ewing RD over Belt Creek 074 is a steel girder and floorbeam system carrying Ewing RD over Belt Creek 074 in Cascade County, Montana. It was built in 1973, so it is 52 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 142 ft (43.3 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesEwing RD
CrossesBelt Creek 074
Location3M N Belt
RouteCounty Highway 7222
StateMontana
Coordinates47.41815, -110.92439
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating13.9 US tons
Inventory rating10.4 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length142 ft (43.3 m)
Longest span71 ft (21.6 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 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 closed123.7 mi (199 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 Ewing RD over Belt Creek 074 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Ewing RD over Belt Creek 074 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 February 2025.

How much traffic does Ewing RD over Belt Creek 074 carry?

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

How long is Ewing RD over Belt Creek 074?

The structure is 142 ft (43.3 m) long with a longest span of 71 ft (21.6 m) and a deck 18 ft wide.

Who owns Ewing RD over Belt Creek 074?

It is owned by the County Highway Agency.