US Bridges

Stage RD over Wild Horse Creek 023

PoorPosted for load

Phillips County, Montana · 17M S Dodson · Structure no. L36201015+09001

Built
1925
100 years old, rebuilt 1983
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
3 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Stage RD over Wild Horse Creek 023 is a steel stringer/multi-beam or girder carrying Stage RD over Wild Horse Creek 023 in Phillips County, Montana. It was built in 1925 and reconstructed in 1983, so it is 100 years old, older than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. 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 56 ft (17.1 m) long and 20 ft wide. If it were closed, the detour would be 46 mi (74 km).

CarriesStage RD
CrossesWild Horse Creek 023
Location17M S Dodson
RouteCounty Highway 36103
StateMontana
Coordinates48.15592, -108.27203
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating37 US tons
Inventory rating28 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span19 ft (5.8 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.8 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 closed46 mi (74 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 Stage RD over Wild Horse Creek 023 built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1983.

What condition is Stage RD over Wild Horse Creek 023 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Stage RD over Wild Horse Creek 023 carry?

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

How long is Stage RD over Wild Horse Creek 023?

The structure is 56 ft (17.1 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.

Who owns Stage RD over Wild Horse Creek 023?

It is owned by the County Highway Agency.