US Bridges

Willow Creek RD over Little Belt Creek 003

FairPosted for load

Cascade County, Montana · 14M E Belt · Structure no. L07233011+07001

Built
1938
87 years old, rebuilt 1967
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
158
2023 count
Owner
County
County Highway Agency

About this bridge

Willow Creek RD over Little Belt Creek 003 is a steel stringer/multi-beam or girder carrying Willow Creek RD over Little Belt Creek 003 in Cascade County, Montana. It was built in 1938 and reconstructed in 1967, so it is 87 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 158 vehicles a day, roughly 3% of them trucks, projected to reach 167 by 2043. The structure is 32 ft (9.8 m) long and 20 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesWillow Creek RD
CrossesLittle Belt Creek 003
Location14M E Belt
RouteCounty Highway 7233
StateMontana
Coordinates47.39542, -110.68963
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2023)
Projected traffic167 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Willow Creek RD over Little Belt Creek 003 built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1967.

What condition is Willow Creek RD over Little Belt Creek 003 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 2024.

How much traffic does Willow Creek RD over Little Belt Creek 003 carry?

About 158 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Willow Creek RD over Little Belt Creek 003?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9 m) and a deck 20 ft wide.

Who owns Willow Creek RD over Little Belt Creek 003?

It is owned by the County Highway Agency.