US Bridges

Hughesville RD over Dry Fork Belt Creek 077

Fair

Cascade County, Montana · E Monarch · Structure no. L07355000+04001

Built
1962
63 years old
Condition
Fair
inspected March 2023
Type
Slab
Prestressed Concrete
Length
40 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Hughesville RD over Dry Fork Belt Creek 077 is a prestressed concrete slab carrying Hughesville RD over Dry Fork Belt Creek 077 in Cascade County, Montana. It was built in 1962, so it is 63 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.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 40 ft (12.2 m) long and 23 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHughesville RD
CrossesDry Fork Belt Creek 077
LocationE Monarch
RouteCounty Highway 7355
StateMontana
Coordinates47.09454, -110.82863
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment6: Equal to present minimum criteria
Operating rating43.2 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span19 ft (5.8 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.2 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 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 Hughesville RD over Dry Fork Belt Creek 077 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Hughesville RD over Dry Fork Belt Creek 077 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 March 2023.

How much traffic does Hughesville RD over Dry Fork Belt Creek 077 carry?

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

How long is Hughesville RD over Dry Fork Belt Creek 077?

The structure is 40 ft (12.2 m) long with a longest span of 19 ft (5.8 m) and a deck 23 ft wide.

Who owns Hughesville RD over Dry Fork Belt Creek 077?

It is owned by the County Highway Agency.