US Bridges

Midway RD E over Pondera Coulee 004

Good

Pondera County, Montana · 23M NE Brady · Structure no. L37207018+08001

Built
1987
38 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
59
2023 count
Owner
County
County Highway Agency

About this bridge

Midway RD E over Pondera Coulee 004 is a steel stringer/multi-beam or girder carrying Midway RD E over Pondera Coulee 004 in Pondera County, Montana. It was built in 1987, so it is 38 years old, younger 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.

It carries about 59 vehicles a day, roughly 3% of them trucks, projected to reach 62 by 2043. The structure is 49 ft (14.9 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMidway RD E
CrossesPondera Coulee 004
Location23M NE Brady
RouteCounty Highway 37207
StateMontana
Coordinates48.13245, -111.48889
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2023)
Projected traffic62 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Midway RD E over Pondera Coulee 004 built?

It was built in 1987, making it 38 years old in 2025.

What condition is Midway RD E over Pondera Coulee 004 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 December 2023.

How much traffic does Midway RD E over Pondera Coulee 004 carry?

About 59 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Midway RD E over Pondera Coulee 004?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 26 ft wide.

Who owns Midway RD E over Pondera Coulee 004?

It is owned by the County Highway Agency.