US Bridges

Shields River Road over Shields River

Good

Meagher County, Montana · No Data Entered · Structure no. 011104000022085

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Shields River Road over Shields River is a concrete slab carrying Shields River Road over Shields River in Meagher 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 32 ft (9.8 m) long and 21 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesShields River Road
CrossesShields River
LocationNo Data Entered
RouteFederal Lands Road 844
StateMontana
Coordinates46.18487, -110.40564
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Shields River Road over Shields River built?

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

What condition is Shields River Road over Shields River 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 2024.

How much traffic does Shields River Road over Shields River carry?

About 50 vehicles per day (latest count).

How long is Shields River Road over Shields River?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 21 ft wide.

Who owns Shields River Road over Shields River?

It is owned by the U.S. Forest Service.