US Bridges

Sportsman Park RD over Drainage

Good

Yellowstone County, Montana · 5M SW Laurel · Structure no. 000000201904827

Built
2019
6 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
100
2025 count
Owner
State
Other State Agency

About this bridge

Sportsman Park RD over Drainage is a prestressed concrete stringer/multi-beam or girder carrying Sportsman Park RD over Drainage in Yellowstone County, Montana. It was built in 2019, so it is 6 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 67 ft (20.4 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSportsman Park RD
CrossesDrainage
Location5M SW Laurel
RouteCounty Highway 56555
StateMontana
Coordinates45.61638, -108.8426
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31 US tons
Inventory rating24 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span65 ft (19.8 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 Sportsman Park RD over Drainage built?

It was built in 2019, making it 6 years old in 2025.

What condition is Sportsman Park RD over Drainage 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 Sportsman Park RD over Drainage carry?

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

How long is Sportsman Park RD over Drainage?

The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 16 ft wide.

Who owns Sportsman Park RD over Drainage?

It is owned by the Other State Agency.