US Bridges

Glengary RD over Cottonwood Creek 022

Good

Fergus County, Montana · 1M N Glengarry · Structure no. L14301000+09001

Built
2013
12 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
31
2023 count
Owner
County
County Highway Agency

About this bridge

Glengary RD over Cottonwood Creek 022 is a prestressed concrete tee beam carrying Glengary RD over Cottonwood Creek 022 in Fergus County, Montana. It was built in 2013, so it is 12 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 31 vehicles a day, roughly 3% of them trucks, projected to reach 33 by 2043. The structure is 73 ft (22.4 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesGlengary RD
CrossesCottonwood Creek 022
Location1M N Glengarry
RouteCounty Highway 14301
StateMontana
Coordinates47.04199, -109.54536
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 protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating47.8 US tons
Inventory rating25.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length73 ft (22.4 m)
Longest span72 ft (21.9 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2023)
Projected traffic33 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Glengary RD over Cottonwood Creek 022 built?

It was built in 2013, making it 12 years old in 2025.

What condition is Glengary RD over Cottonwood 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 April 2024.

How much traffic does Glengary RD over Cottonwood Creek 022 carry?

About 31 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Glengary RD over Cottonwood Creek 022?

The structure is 73 ft (22.4 m) long with a longest span of 72 ft (21.9 m) and a deck 27 ft wide.

Who owns Glengary RD over Cottonwood Creek 022?

It is owned by the County Highway Agency.