US Bridges

W Fk Elk Creek RD over W Fork Elk Creek 052

Fair

Sanders County, Montana · 5M SW Heron · Structure no. L45030006+04001

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
37 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

W Fk Elk Creek RD over W Fork Elk Creek 052 is a wood or timber stringer/multi-beam or girder carrying W Fk Elk Creek RD over W Fork Elk Creek 052 in Sanders County, Montana. It was built in 1965, so it is 60 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 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 37 ft (11.2 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesW Fk Elk Creek RD
CrossesW Fork Elk Creek 052
Location5M SW Heron
RouteCounty Highway 45030
StateMontana
Coordinates48.00378, -116.02664
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating48.6 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length37 ft (11.2 m)
Longest span34 ft (10.3 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 W Fk Elk Creek RD over W Fork Elk Creek 052 built?

It was built in 1965, making it 60 years old in 2025.

What condition is W Fk Elk Creek RD over W Fork Elk Creek 052 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 June 2024.

How much traffic does W Fk Elk Creek RD over W Fork Elk Creek 052 carry?

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

How long is W Fk Elk Creek RD over W Fork Elk Creek 052?

The structure is 37 ft (11.2 m) long with a longest span of 34 ft (10.3 m) and a deck 15 ft wide.

Who owns W Fk Elk Creek RD over W Fork Elk Creek 052?

It is owned by the County Highway Agency.