US Bridges

Lrd MUN154-OLD Duk over N Channel Mississippi Ri

FairPosted for load

Buffalo County, Wisconsin · 0.4 MI JCT Mn 43 · Structure no. B06024800000000

Built
1916
109 years old
Condition
Fair
inspected April 2024
Type
Girder and Floorbeam System
Concrete
Length
1,220 ft
14 main spans
Daily traffic
40
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd MUN154-OLD Duk over N Channel Mississippi Ri is a concrete girder and floorbeam system carrying Lrd MUN154-OLD Duk over N Channel Mississippi Ri in Buffalo County, Wisconsin. It was built in 1916, so it is 109 years old, older than the Wisconsin average of 40.3 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 2044. The structure is 1,220 ft (371.9 m) long and 25 ft wide. If it were closed, the detour would be 122.4 mi (197 km).

Location

Open in Google Maps
CarriesLrd MUN154-OLD Duk
CrossesN Channel Mississippi Ri
Location0.4 MI JCT Mn 43
RouteCity Street 0
CountyBuffalo County
StateWisconsin
Coordinates44.05968, -91.63251
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.
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans14 (+9 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 (2024)
Projected traffic40 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed122.4 mi (197 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd MUN154-OLD Duk over N Channel Mississippi Ri built?

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

What condition is Lrd MUN154-OLD Duk over N Channel Mississippi Ri 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 Lrd MUN154-OLD Duk over N Channel Mississippi Ri carry?

About 40 vehicles per day (2024 count).

How long is Lrd MUN154-OLD Duk over N Channel Mississippi Ri?

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 Lrd MUN154-OLD Duk over N Channel Mississippi Ri?

It is owned by the City or Municipal Highway Agency.