US Bridges

Bridger Creek RD over Bridger Creek

Good

Sweet Grass County, Montana · 13.6M SE Greycliff · Structure no. 000000202108019

Built
2021
4 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Bridger Creek RD over Bridger Creek is a steel stringer/multi-beam or girder carrying Bridger Creek RD over Bridger Creek in Sweet Grass County, Montana. It was built in 2021, so it is 4 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 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesBridger Creek RD
CrossesBridger Creek
Location13.6M SE Greycliff
RouteCounty Highway 49127
StateMontana
Coordinates45.64736, -109.77743
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating50 US tons
Inventory rating38 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span39 ft (12 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.4 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 closed123.7 mi (199 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 Bridger Creek RD over Bridger Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Bridger Creek RD over Bridger Creek 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 Bridger Creek RD over Bridger Creek carry?

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

How long is Bridger Creek RD over Bridger Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (12 m) and a deck 25 ft wide.

Who owns Bridger Creek RD over Bridger Creek?

It is owned by the County Highway Agency.