US Bridges

Miles City Cutoff over Little Beaver Creek 004

FairPosted for load

Carter County, Montana · 4M NW Ekalaka · Structure no. L06002003+07001

Built
1987
38 years old, rebuilt 2016
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Miles City Cutoff over Little Beaver Creek 004 is a steel stringer/multi-beam or girder carrying Miles City Cutoff over Little Beaver Creek 004 in Carter County, Montana. It was built in 1987 and reconstructed in 2016, so it is 38 years old, younger 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. 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 55 ft (16.8 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesMiles City Cutoff
CrossesLittle Beaver Creek 004
Location4M NW Ekalaka
RouteCounty Highway 6001
StateMontana
Coordinates45.92371, -104.60482
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.
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating5 US tons
Inventory rating5 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length55 ft (16.8 m)
Longest span51 ft (15.5 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$186,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Miles City Cutoff over Little Beaver Creek 004 built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2016.

What condition is Miles City Cutoff over Little Beaver Creek 004 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 August 2023.

How much traffic does Miles City Cutoff over Little Beaver Creek 004 carry?

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

How long is Miles City Cutoff over Little Beaver Creek 004?

The structure is 55 ft (16.8 m) long with a longest span of 51 ft (15.5 m) and a deck 21 ft wide.

Who owns Miles City Cutoff over Little Beaver Creek 004?

It is owned by the County Highway Agency.