US Bridges

Webster RD over Little Beaver Creek

Good

Fallon County, Montana · 18M NE Ekalaka · Structure no. S00322021+08711

Built
1978
47 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
133 ft
2 main spans
Daily traffic
26
2023 count
Owner
County
County Highway Agency

About this bridge

Webster RD over Little Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying Webster RD over Little Beaver Creek in Fallon County, Montana. It was built in 1978, so it is 47 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 26 vehicles a day, projected to reach 27 by 2043. The structure is 133 ft (40.4 m) long and 36 ft wide. If it were closed, the detour would be 47.2 mi (76 km).

CarriesWebster RD
CrossesLittle Beaver Creek
Location18M NE Ekalaka
RouteCounty Highway 322
StateMontana
Coordinates46.06924, -104.3367
Functional classRural Major Collector

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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating61 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length133 ft (40.4 m)
Longest span65 ft (19.8 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2023)
Projected traffic27 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.2 mi (76 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 Webster RD over Little Beaver Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Webster RD over Little Beaver 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 December 2024.

How much traffic does Webster RD over Little Beaver Creek carry?

About 26 vehicles per day (2023 count).

How long is Webster RD over Little Beaver Creek?

The structure is 133 ft (40.4 m) long with a longest span of 65 ft (19.8 m) and a deck 36 ft wide.

Who owns Webster RD over Little Beaver Creek?

It is owned by the County Highway Agency.