US Bridges

S 201 over N Fork First Hay Creek

FairPosted for load

Richland County, Montana · 10M W Fairview · Structure no. S00201058+08001

Built
1937
88 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
76 ft
4 main spans
Daily traffic
856
2023 count
Owner
State
State Highway Agency

About this bridge

S 201 over N Fork First Hay Creek is a wood or timber stringer/multi-beam or girder carrying S 201 over N Fork First Hay Creek in Richland County, Montana. It was built in 1937, so it is 88 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 856 vehicles a day, roughly 16% of them trucks, projected to reach 899 by 2043. The structure is 76 ft (23.2 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesS 201
CrossesN Fork First Hay Creek
Location10M W Fairview
RouteState Highway 201
StateMontana
Coordinates47.86781, -104.26978
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating22 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 15
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic856 (2023)
Projected traffic899 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S 201 over N Fork First Hay Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is S 201 over N Fork First Hay 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 October 2024.

How much traffic does S 201 over N Fork First Hay Creek carry?

About 856 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is S 201 over N Fork First Hay Creek?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns S 201 over N Fork First Hay Creek?

It is owned by the State Highway Agency.