US Bridges

Edna Creek RD over Fortine Creek 132

Fair

Lincoln County, Montana · 4M SW Trego · Structure no. L27089000+01001

Built
1983
42 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Edna Creek RD over Fortine Creek 132 is a prestressed concrete tee beam carrying Edna Creek RD over Fortine Creek 132 in Lincoln 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 72 ft (21.9 m) long and 26 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesEdna Creek RD
CrossesFortine Creek 132
Location4M SW Trego
RouteCounty Highway 27275
StateMontana
Coordinates48.65981, -114.89829
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span72 ft (21.9 m)
Deck width26 ft (7.9 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 closed21.7 mi (35 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 Edna Creek RD over Fortine Creek 132 built?

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

What condition is Edna Creek RD over Fortine Creek 132 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Edna Creek RD over Fortine Creek 132 carry?

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

How long is Edna Creek RD over Fortine Creek 132?

The structure is 72 ft (21.9 m) long with a longest span of 72 ft (21.9 m) and a deck 26 ft wide.

Who owns Edna Creek RD over Fortine Creek 132?

It is owned by the County Highway Agency.