US Bridges

Westmore RD over Pennel Creek 022

Good

Fallon County, Montana · 16M NW Plevna · Structure no. L13600010+05001

Built
1991
34 years old
Condition
Good
inspected January 2025
Type
Tee Beam
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Westmore RD over Pennel Creek 022 is a prestressed concrete tee beam carrying Westmore RD over Pennel Creek 022 in Fallon County, Montana. It was built in 1991, so it is 34 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 30 vehicles a day, roughly 3% of them trucks, projected to reach 32 by 2043. The structure is 53 ft (16.2 m) long and 26 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesWestmore RD
CrossesPennel Creek 022
Location16M NW Plevna
RouteCounty Highway 13005
StateMontana
Coordinates46.54127, -104.62662
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span53 ft (16.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic32 by 2043
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Westmore RD over Pennel Creek 022 built?

It was built in 1991, making it 34 years old in 2025.

What condition is Westmore RD over Pennel Creek 022 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 January 2025.

How much traffic does Westmore RD over Pennel Creek 022 carry?

About 30 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Westmore RD over Pennel Creek 022?

The structure is 53 ft (16.2 m) long with a longest span of 53 ft (16.2 m) and a deck 26 ft wide.

Who owns Westmore RD over Pennel Creek 022?

It is owned by the County Highway Agency.