US Bridges

S 374-OUTLOOK HWY over Drainage

Fair

Sheridan County, Montana · 2M S Outlook · Structure no. S00374003+07001

Built
1955
70 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
152
2023 count
Owner
State
State Highway Agency

About this bridge

S 374-OUTLOOK HWY over Drainage is a wood or timber stringer/multi-beam or girder carrying S 374-OUTLOOK HWY over Drainage in Sheridan County, Montana. It was built in 1955, so it is 70 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.

It carries about 152 vehicles a day, roughly 7% of them trucks, projected to reach 160 by 2043. The structure is 39 ft (11.9 m) long and 26 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

Location

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CarriesS 374-OUTLOOK HWY
CrossesDrainage
Location2M S Outlook
RouteState Highway 374
CountySheridan County
StateMontana
Coordinates48.84863, -104.77681
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length39 ft (11.9 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 traffic152 (2023)
Projected traffic160 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 374-OUTLOOK HWY over Drainage built?

It was built in 1955, making it 70 years old in 2025.

What condition is S 374-OUTLOOK HWY 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 October 2023.

How much traffic does S 374-OUTLOOK HWY over Drainage carry?

About 152 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S 374-OUTLOOK HWY over Drainage?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns S 374-OUTLOOK HWY over Drainage?

It is owned by the State Highway Agency.