US Bridges

Seifert RD over Pablo a Canal 083

PoorClosed to traffic

Lake County, Montana · 6M SW Polson · Structure no. L24124005+05001

Built
1960
65 years old, rebuilt 2016
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Seifert RD over Pablo a Canal 083 is a wood or timber stringer/multi-beam or girder carrying Seifert RD over Pablo a Canal 083 in Lake County, Montana. It was built in 1960 and reconstructed in 2016, so it is 65 years old, older than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 39 ft (11.9 m) long and 17 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSeifert RD
CrossesPablo a Canal 083
Location6M SW Polson
RouteCounty Highway 24124
StateMontana
Coordinates47.61655, -114.19972
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating24 US tons
Inventory rating17 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (5 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 closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$128,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Seifert RD over Pablo a Canal 083 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2016.

What condition is Seifert RD over Pablo a Canal 083 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does Seifert RD over Pablo a Canal 083 carry?

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

How long is Seifert RD over Pablo a Canal 083?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 17 ft wide.

Who owns Seifert RD over Pablo a Canal 083?

It is owned by the County Highway Agency.