US Bridges

S 252-HORSE CR RD over Denwoody Creek

Fair

McCone County, Montana · 7M NW Circle · Structure no. S00252007+00001

Built
1950
75 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
38 ft
2 main spans
Daily traffic
104
2023 count
Owner
State
State Highway Agency

About this bridge

S 252-HORSE CR RD over Denwoody Creek is a wood or timber stringer/multi-beam or girder carrying S 252-HORSE CR RD over Denwoody Creek in McCone County, Montana. It was built in 1950, so it is 75 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 104 vehicles a day, roughly 9% of them trucks, projected to reach 109 by 2043. The structure is 38 ft (11.6 m) long and 26 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

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CarriesS 252-HORSE CR RD
CrossesDenwoody Creek
Location7M NW Circle
RouteState Highway 252
CountyMcCone County
StateMontana
Coordinates47.47074, -105.71137
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104 (2023)
Projected traffic109 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 S 252-HORSE CR RD over Denwoody Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is S 252-HORSE CR RD over Denwoody Creek 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 September 2024.

How much traffic does S 252-HORSE CR RD over Denwoody Creek carry?

About 104 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is S 252-HORSE CR RD over Denwoody Creek?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns S 252-HORSE CR RD over Denwoody Creek?

It is owned by the State Highway Agency.