US Bridges

Cherry Creek RD over Drainage 052

Fair

Sheridan County, Montana · 10M SW Westby · Structure no. L46240001+07001

Built
1970
55 years old
Condition
Fair
inspected December 2023
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Cherry Creek RD over Drainage 052 is a concrete channel beam carrying Cherry Creek RD over Drainage 052 in Sheridan County, Montana. It was built in 1970, so it is 55 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 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCherry Creek RD
CrossesDrainage 052
Location10M SW Westby
RouteCounty Highway 46225
CountySheridan County
StateMontana
Coordinates48.80474, -104.20954
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.
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 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 closed6.2 mi (10 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 Cherry Creek RD over Drainage 052 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Cherry Creek RD over Drainage 052 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 December 2023.

How much traffic does Cherry Creek RD over Drainage 052 carry?

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

How long is Cherry Creek RD over Drainage 052?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns Cherry Creek RD over Drainage 052?

It is owned by the County Highway Agency.