US Bridges

S 200 over Drainage

Fair

Richland County, Montana · 1M NW Lambert · Structure no. P00051048+09501

Built
2008
17 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
446
2023 count
Owner
State
State Highway Agency

About this bridge

S 200 over Drainage is a concrete culvert carrying S 200 over Drainage in Richland County, Montana. It was built in 2008, so it is 17 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 446 vehicles a day, roughly 14% of them trucks, projected to reach 468 by 2043. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesS 200
CrossesDrainage
Location1M NW Lambert
RouteState Highway 200
StateMontana
Coordinates47.69375, -104.64253
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic446 (2023)
Projected traffic468 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$141,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S 200 over Drainage built?

It was built in 2008, making it 17 years old in 2025.

What condition is S 200 over Drainage in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does S 200 over Drainage carry?

About 446 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is S 200 over Drainage?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m).

Who owns S 200 over Drainage?

It is owned by the State Highway Agency.