US Bridges

Forest Road over Emery Creek

Good

Flathead County, Montana · Desert Mtn Tie Road · Structure no. 011006000000005

Built
1983
42 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
37 ft
1 main span
Daily traffic
10
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

Forest Road over Emery Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Forest Road over Emery Creek in Flathead County, Montana. It was built in 1983, so it is 42 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 37 ft (11.4 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesForest Road
CrossesEmery Creek
LocationDesert Mtn Tie Road
RouteFederal Lands Road 1615
StateMontana
Coordinates48.37737, -113.92809
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckOther
Main spans1
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span36 ft (11.1 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1992)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 Forest Road over Emery Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Forest Road over Emery 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 July 2024.

How much traffic does Forest Road over Emery Creek carry?

About 10 vehicles per day (1992 count).

How long is Forest Road over Emery Creek?

The structure is 37 ft (11.4 m) long with a longest span of 36 ft (11.1 m) and a deck 16 ft wide.

Who owns Forest Road over Emery Creek?

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