US Bridges

M 154 over N Channel Miss River

FairPosted for load

Winona County, Minnesota · Mun 154 over Miss River · Structure no. 4260

Built
1916
109 years old, rebuilt 2003
Condition
Fair
inspected April 2024
Type
Arch - Deck
Concrete Continuous
Length
1,220 ft
13 main spans
Daily traffic
40
1989 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 154 over N Channel Miss River is a concrete continuous arch - deck carrying M 154 over N Channel Miss River in Winona County, Minnesota. It was built in 1916 and reconstructed in 2003, so it is 109 years old, older than the Minnesota average of 38.5 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. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, projected to reach 40 by 2029. The structure is 1,220 ft (371.9 m) long and 25 ft wide. If it were closed, the detour would be 123 mi (198 km).

CarriesM 154
CrossesN Channel Miss River
LocationMun 154 over Miss River
RouteCity Street 154
Coordinates44.05968, -91.63251
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.4 US tons
Inventory rating7.2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans13 (+11 approach)
Design loadUnknown
Structure length1,220 ft (371.9 m)
Longest span72 ft (21.9 m)
Deck width25 ft (7.5 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1989)
Projected traffic40 by 2029
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123 mi (198 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$278 million
NavigationNo navigation control on waterway

Frequently asked questions

When was M 154 over N Channel Miss River built?

It was built in 1916, making it 109 years old in 2025. It was reconstructed in 2003.

What condition is M 154 over N Channel Miss River 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 April 2024.

How much traffic does M 154 over N Channel Miss River carry?

About 40 vehicles per day (1989 count).

How long is M 154 over N Channel Miss River?

The structure is 1,220 ft (371.9 m) long with a longest span of 72 ft (21.9 m) and a deck 25 ft wide.

Who owns M 154 over N Channel Miss River?

It is owned by the City or Municipal Highway Agency.