US Bridges

E Sager Lane over Irrigation Canal

Fair

Powell County, Montana · 5M S Deer Lodge · Structure no. 000000202008009

Built
1990
35 years old
Condition
Fair
inspected June 2024
Type
Slab
Prestressed Concrete
Length
22 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

E Sager Lane over Irrigation Canal is a prestressed concrete slab carrying E Sager Lane over Irrigation Canal in Powell County, Montana. It was built in 1990, so it is 35 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 6 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 22 ft (6.7 m) long and 25 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesE Sager Lane
CrossesIrrigation Canal
Location5M S Deer Lodge
RouteCounty Highway 39113
StateMontana
Coordinates46.31735, -112.73839
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating—
Inventory rating—

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.7 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 closed11.2 mi (18 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 E Sager Lane over Irrigation Canal built?

It was built in 1990, making it 35 years old in 2025.

What condition is E Sager Lane over Irrigation Canal 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 June 2024.

How much traffic does E Sager Lane over Irrigation Canal carry?

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

How long is E Sager Lane over Irrigation Canal?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns E Sager Lane over Irrigation Canal?

It is owned by the County Highway Agency.