US Bridges

Tom Miner Creek RD over Tom Miner Creek

Fair

Park County, Montana · 18M NW Gardiner · Structure no. 000000201907097

Built
2018
7 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Tom Miner Creek RD over Tom Miner Creek is a prestressed concrete stringer/multi-beam or girder carrying Tom Miner Creek RD over Tom Miner Creek in Park County, Montana. It was built in 2018, so it is 7 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 52 ft (15.8 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesTom Miner Creek RD
CrossesTom Miner Creek
Location18M NW Gardiner
RouteCounty Highway 34301
StateMontana
Coordinates45.19893, -110.90819
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
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 rating80 US tons
Inventory rating59 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length52 ft (15.8 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.7 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 closed9.9 mi (16 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 Tom Miner Creek RD over Tom Miner Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Tom Miner Creek RD over Tom Miner 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 July 2023.

How much traffic does Tom Miner Creek RD over Tom Miner Creek carry?

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

How long is Tom Miner Creek RD over Tom Miner Creek?

The structure is 52 ft (15.8 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Tom Miner Creek RD over Tom Miner Creek?

It is owned by the County Highway Agency.