US Bridges

Kelly RD over Pondera Coulee 019

GoodPosted for load

Pondera County, Montana · 5M NE Conrad · Structure no. L37108000+09001

Built
1960
65 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
47 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Kelly RD over Pondera Coulee 019 is a wood or timber stringer/multi-beam or girder carrying Kelly RD over Pondera Coulee 019 in Pondera County, Montana. It was built in 1960, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. 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 47 ft (14.3 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKelly RD
CrossesPondera Coulee 019
Location5M NE Conrad
RouteCounty Highway 37108
StateMontana
Coordinates48.18673, -111.85387
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26 US tons
Inventory rating17 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span23 ft (7 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 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 closed3.7 mi (6 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 Kelly RD over Pondera Coulee 019 built?

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

What condition is Kelly RD over Pondera Coulee 019 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Kelly RD over Pondera Coulee 019 carry?

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

How long is Kelly RD over Pondera Coulee 019?

The structure is 47 ft (14.3 m) long with a longest span of 23 ft (7 m) and a deck 25 ft wide.

Who owns Kelly RD over Pondera Coulee 019?

It is owned by the County Highway Agency.