US Bridges

Stoken Road over Grave Creek 125

Good

Lincoln County, Montana · 6M N Fortine · Structure no. L27112000+03001

Built
2009
16 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Stoken Road over Grave Creek 125 is a prestressed concrete tee beam carrying Stoken Road over Grave Creek 125 in Lincoln County, Montana. It was built in 2009, so it is 16 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 91 ft (27.8 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesStoken Road
CrossesGrave Creek 125
Location6M N Fortine
RouteFederal Lands Road 27248
StateMontana
Coordinates48.81768, -114.89106
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length91 ft (27.8 m)
Longest span89 ft (27 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 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 closed1.2 mi (2 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$62,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Stoken Road over Grave Creek 125 built?

It was built in 2009, making it 16 years old in 2025.

What condition is Stoken Road over Grave Creek 125 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 Stoken Road over Grave Creek 125 carry?

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

How long is Stoken Road over Grave Creek 125?

The structure is 91 ft (27.8 m) long with a longest span of 89 ft (27 m) and a deck 30 ft wide.

Who owns Stoken Road over Grave Creek 125?

It is owned by the County Highway Agency.