US Bridges

Messenger RD over Dry Fk Marias River 073

Good

Pondera County, Montana · 2M S Williams · Structure no. L37015003+08001

Built
1988
37 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
99 ft
2 main spans
Daily traffic
31
2023 count
Owner
County
County Highway Agency

About this bridge

Messenger RD over Dry Fk Marias River 073 is a steel stringer/multi-beam or girder carrying Messenger RD over Dry Fk Marias River 073 in Pondera County, Montana. It was built in 1988, so it is 37 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 31 vehicles a day, roughly 3% of them trucks, projected to reach 33 by 2043. The structure is 99 ft (30.2 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMessenger RD
CrossesDry Fk Marias River 073
Location2M S Williams
RouteCounty Highway 37015
StateMontana
Coordinates48.25348, -112.12077
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating45 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span49 ft (14.9 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2023)
Projected traffic33 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Messenger RD over Dry Fk Marias River 073 built?

It was built in 1988, making it 37 years old in 2025.

What condition is Messenger RD over Dry Fk Marias River 073 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 October 2024.

How much traffic does Messenger RD over Dry Fk Marias River 073 carry?

About 31 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Messenger RD over Dry Fk Marias River 073?

The structure is 99 ft (30.2 m) long with a longest span of 49 ft (14.9 m) and a deck 26 ft wide.

Who owns Messenger RD over Dry Fk Marias River 073?

It is owned by the County Highway Agency.