US Bridges

S 200 over Drainage-Stockpass

Good

Garfield County, Montana · 18M E Jordan · Structure no. 000000202106024

Built
2023
2 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
462
2023 count
Owner
State
State Highway Agency

About this bridge

S 200 over Drainage-Stockpass is a concrete culvert carrying S 200 over Drainage-Stockpass in Garfield County, Montana. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 462 vehicles a day, roughly 10% of them trucks, projected to reach 485 by 2043. The structure is 26 ft (7.9 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesS 200
CrossesDrainage-Stockpass
Location18M E Jordan
RouteState Highway 200
StateMontana
Coordinates47.34756, -106.53809
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic462 (2023)
Projected traffic485 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 S 200 over Drainage-Stockpass built?

It was built in 2023, making it 2 years old in 2025.

What condition is S 200 over Drainage-Stockpass 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 March 2023.

How much traffic does S 200 over Drainage-Stockpass carry?

About 462 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S 200 over Drainage-Stockpass?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 36 ft wide.

Who owns S 200 over Drainage-Stockpass?

It is owned by the State Highway Agency.