US Bridges

Deep Creek RD over Deep Creek 098

Good

Missoula County, Montana · 6M S Frenchtown · Structure no. L32101010+07001

Built
1983
42 years old
Condition
Good
inspected September 2023
Type
Channel Beam
Prestressed Concrete
Length
22 ft
1 main span
Daily traffic
3,095
2023 count
Owner
County
County Highway Agency

About this bridge

Deep Creek RD over Deep Creek 098 is a prestressed concrete channel beam carrying Deep Creek RD over Deep Creek 098 in Missoula County, Montana. It was built in 1983, so it is 42 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 3,095 vehicles a day, roughly 3% of them trucks, projected to reach 3,296 by 2043. The structure is 22 ft (6.6 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDeep Creek RD
CrossesDeep Creek 098
Location6M S Frenchtown
RouteCounty Highway 32101
StateMontana
Coordinates46.92985, -114.21493
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.9 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span20 ft (6.1 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,095 (2023)
Projected traffic3,296 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Deep Creek RD over Deep Creek 098 built?

It was built in 1983, making it 42 years old in 2025.

What condition is Deep Creek RD over Deep Creek 098 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 September 2023.

How much traffic does Deep Creek RD over Deep Creek 098 carry?

About 3,095 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Deep Creek RD over Deep Creek 098?

The structure is 22 ft (6.6 m) long with a longest span of 20 ft (6.1 m) and a deck 18 ft wide.

Who owns Deep Creek RD over Deep Creek 098?

It is owned by the County Highway Agency.