US Bridges

Dupuyer Creek RD over Dupuyer Creek 067

FairPosted for load

Pondera County, Montana · 8M SW Dupuyer · Structure no. L37314008+04001

Built
1938
87 years old, rebuilt 1975
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Dupuyer Creek RD over Dupuyer Creek 067 is a wood or timber stringer/multi-beam or girder carrying Dupuyer Creek RD over Dupuyer Creek 067 in Pondera County, Montana. It was built in 1938 and reconstructed in 1975, 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 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 17 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesDupuyer Creek RD
CrossesDupuyer Creek 067
Location8M SW Dupuyer
RouteCounty Highway 37314
StateMontana
Coordinates48.13366, -112.6562
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating13 US tons
Inventory rating8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (5 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$108,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dupuyer Creek RD over Dupuyer Creek 067 built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1975.

What condition is Dupuyer Creek RD over Dupuyer Creek 067 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 November 2024.

How much traffic does Dupuyer Creek RD over Dupuyer Creek 067 carry?

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

How long is Dupuyer Creek RD over Dupuyer Creek 067?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 17 ft wide.

Who owns Dupuyer Creek RD over Dupuyer Creek 067?

It is owned by the County Highway Agency.