US Bridges

S 200 over Big Dry Creek

Fair

Garfield County, Montana · 12M SW Jordan · Structure no. P00057200+01071

Built
1992
33 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
123 ft
1 main span
Daily traffic
509
2023 count
Owner
State
State Highway Agency

About this bridge

S 200 over Big Dry Creek is a prestressed concrete stringer/multi-beam or girder carrying S 200 over Big Dry Creek in Garfield County, Montana. It was built in 1992, so it is 33 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 509 vehicles a day, roughly 14% of them trucks, projected to reach 534 by 2043. The structure is 123 ft (37.6 m) long and 38 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesS 200
CrossesBig Dry Creek
Location12M SW Jordan
RouteState Highway 200
StateMontana
Coordinates47.24361, -107.14039
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length123 ft (37.6 m)
Longest span121 ft (36.9 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic509 (2023)
Projected traffic534 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 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 Big Dry Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is S 200 over Big Dry Creek 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 March 2023.

How much traffic does S 200 over Big Dry Creek carry?

About 509 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is S 200 over Big Dry Creek?

The structure is 123 ft (37.6 m) long with a longest span of 121 ft (36.9 m) and a deck 38 ft wide.

Who owns S 200 over Big Dry Creek?

It is owned by the State Highway Agency.