US Bridges

Willow Road over Racetrack Creek

Good

Powell County, Montana · 7M SW Deerlodge · Structure no. 000000202008011

Built
2015
10 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
75
2023 count
Owner
County
County Highway Agency

About this bridge

Willow Road over Racetrack Creek is a prestressed concrete stringer/multi-beam or girder carrying Willow Road over Racetrack Creek in Powell County, Montana. It was built in 2015, so it is 10 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 75 vehicles a day, roughly 3% of them trucks, projected to reach 80 by 2043. The structure is 61 ft (18.5 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesWillow Road
CrossesRacetrack Creek
Location7M SW Deerlodge
RouteCounty Highway 39002
StateMontana
Coordinates46.27214, -112.82821
Functional classRural Minor 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 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 alignment6: Equal to present minimum criteria
Operating rating52 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length61 ft (18.5 m)
Longest span58 ft (17.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic80 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Willow Road over Racetrack Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Willow Road over Racetrack 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 June 2024.

How much traffic does Willow Road over Racetrack Creek carry?

About 75 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Willow Road over Racetrack Creek?

The structure is 61 ft (18.5 m) long with a longest span of 58 ft (17.7 m) and a deck 26 ft wide.

Who owns Willow Road over Racetrack Creek?

It is owned by the County Highway Agency.