US Bridges

S 200 over Corral Creek

Good

Dawson County, Montana · 11 M NE Circle · Structure no. 000000202005918

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
118 ft
1 main span
Daily traffic
238
2023 count
Owner
State
State Highway Agency

About this bridge

S 200 over Corral Creek is a concrete stringer/multi-beam or girder carrying S 200 over Corral Creek in Dawson County, Montana. It was built in 2020, so it is 5 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 238 vehicles a day, roughly 16% of them trucks, projected to reach 250 by 2043. The structure is 118 ft (36.1 m) long and 39 ft wide. If it were closed, the detour would be 49.1 mi (79 km).

CarriesS 200
CrossesCorral Creek
Location11 M NE Circle
RouteState Highway 51
StateMontana
Coordinates47.50786, -105.36733
Functional classRural Minor Arterial

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating38 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length118 ft (36.1 m)
Longest span115 ft (35.1 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic238 (2023)
Projected traffic250 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.1 mi (79 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S 200 over Corral Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is S 200 over Corral Creek 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 September 2024.

How much traffic does S 200 over Corral Creek carry?

About 238 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is S 200 over Corral Creek?

The structure is 118 ft (36.1 m) long with a longest span of 115 ft (35.1 m) and a deck 39 ft wide.

Who owns S 200 over Corral Creek?

It is owned by the State Highway Agency.