US Bridges

S 254 over S Fk Thirteen Mile Creek

Fair

Dawson County, Montana · 1M S Bloomfield · Structure no. S00254022+09001

Built
1986
39 years old
Condition
Fair
inspected January 2025
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
184
2023 count
Owner
State
State Highway Agency

About this bridge

S 254 over S Fk Thirteen Mile Creek is a steel culvert carrying S 254 over S Fk Thirteen Mile Creek in Dawson County, Montana. It was built in 1986, so it is 39 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 184 vehicles a day, roughly 13% of them trucks, projected to reach 193 by 2043. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesS 254
CrossesS Fk Thirteen Mile Creek
Location1M S Bloomfield
RouteState Highway 254
StateMontana
Coordinates47.40613, -104.91754
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
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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic184 (2023)
Projected traffic193 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 254 over S Fk Thirteen Mile Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is S 254 over S Fk Thirteen Mile 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 January 2025.

How much traffic does S 254 over S Fk Thirteen Mile Creek carry?

About 184 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is S 254 over S Fk Thirteen Mile Creek?

The structure is 24 ft (7.2 m) long with a longest span of 10 ft (3 m).

Who owns S 254 over S Fk Thirteen Mile Creek?

It is owned by the State Highway Agency.