US Bridges

Dry Fork RD over Pennel Creek 023

Good

Fallon County, Montana · 9M NW Plevna · Structure no. L13600018+05001

Built
2016
9 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
42 ft
3 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Dry Fork RD over Pennel Creek 023 is a concrete culvert carrying Dry Fork RD over Pennel Creek 023 in Fallon County, Montana. It was built in 2016, so it is 9 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesDry Fork RD
CrossesPennel Creek 023
Location9M NW Plevna
RouteCounty Highway 13005
StateMontana
Coordinates46.513, -104.545
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74 US tons
Inventory rating57 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed14.9 mi (24 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$170,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dry Fork RD over Pennel Creek 023 built?

It was built in 2016, making it 9 years old in 2025.

What condition is Dry Fork RD over Pennel Creek 023 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 Dry Fork RD over Pennel Creek 023 carry?

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

How long is Dry Fork RD over Pennel Creek 023?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Dry Fork RD over Pennel Creek 023?

It is owned by the County Highway Agency.