US Bridges

New Deal RD over Galpin Coulee 073

FairPosted for load

Valley County, Montana · 2M NW Ft Peck · Structure no. L53542002+00001

Built
1960
65 years old, rebuilt 1985
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
62 ft
3 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

New Deal RD over Galpin Coulee 073 is a wood or timber stringer/multi-beam or girder carrying New Deal RD over Galpin Coulee 073 in Valley County, Montana. It was built in 1960 and reconstructed in 1985, so it is 65 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 62 ft (18.9 m) long and 20 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNew Deal RD
CrossesGalpin Coulee 073
Location2M NW Ft Peck
RouteCounty Highway 53510
StateMontana
Coordinates48.03167, -106.46933
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span23 ft (7 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 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 closed9.9 mi (16 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 New Deal RD over Galpin Coulee 073 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1985.

What condition is New Deal RD over Galpin Coulee 073 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 May 2024.

How much traffic does New Deal RD over Galpin Coulee 073 carry?

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

How long is New Deal RD over Galpin Coulee 073?

The structure is 62 ft (18.9 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.

Who owns New Deal RD over Galpin Coulee 073?

It is owned by the County Highway Agency.