US Bridges

E Highwood RD over Belt Creek 002

Fair

Cascade County, Montana · 8M N Belt · Structure no. L07224017+04001

Built
1935
90 years old, rebuilt 1974
Condition
Fair
inspected June 2024
Type
Truss - Thru
Steel
Length
145 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

E Highwood RD over Belt Creek 002 is a steel truss - thru carrying E Highwood RD over Belt Creek 002 in Cascade County, Montana. It was built in 1935 and reconstructed in 1974, so it is 90 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 145 ft (44.2 m) long and 21 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesE Highwood RD
CrossesBelt Creek 002
Location8M N Belt
RouteCounty Highway 7224
StateMontana
Coordinates47.50397, -110.88351
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment7: Better than present minimum criteria
Operating rating27.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length145 ft (44.2 m)
Longest span140 ft (42.7 m)
Deck width21 ft (6.3 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deck12 ft (3.6 m)

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$269,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E Highwood RD over Belt Creek 002 built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1974.

What condition is E Highwood RD over Belt Creek 002 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 June 2024.

How much traffic does E Highwood RD over Belt Creek 002 carry?

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

How long is E Highwood RD over Belt Creek 002?

The structure is 145 ft (44.2 m) long with a longest span of 140 ft (42.7 m) and a deck 21 ft wide.

Who owns E Highwood RD over Belt Creek 002?

It is owned by the County Highway Agency.