US Bridges

County Road 154 over Little Beaver Creek 015

Fair

Fallon County, Montana · 8M SW Webster · Structure no. L13007000+02001

Built
2014
11 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

County Road 154 over Little Beaver Creek 015 is a concrete culvert carrying County Road 154 over Little Beaver Creek 015 in Fallon County, Montana. It was built in 2014, so it is 11 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCounty Road 154
CrossesLittle Beaver Creek 015
Location8M SW Webster
RouteCounty Highway 13154
CountyFallon County
StateMontana
Coordinates46.04816, -104.37005
Functional classRural Local

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating52 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 154 over Little Beaver Creek 015 built?

It was built in 2014, making it 11 years old in 2025.

What condition is County Road 154 over Little Beaver Creek 015 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 County Road 154 over Little Beaver Creek 015 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is County Road 154 over Little Beaver Creek 015?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns County Road 154 over Little Beaver Creek 015?

It is owned by the County Highway Agency.