US Bridges

IH 41 NB over W Br Fond Du Lac River

Fair

Fond du Lac County, Wisconsin · 0.8M N JCT Ush 151 to N · Structure no. B20000700000000

Built
1953
72 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
161 ft
3 main spans
Daily traffic
21,450
2023 count
Owner
State
State Highway Agency

About this bridge

IH 41 NB over W Br Fond Du Lac River is a steel continuous stringer/multi-beam or girder carrying IH 41 NB over W Br Fond Du Lac River in Fond du Lac County, Wisconsin. It was built in 1953, so it is 72 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.

It carries about 21,450 vehicles a day, projected to reach 53,400 by 2042. The structure is 161 ft (49.1 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIH 41 NB
CrossesW Br Fond Du Lac River
Location0.8M N JCT Ush 151 to N
RouteInterstate 41
CountyFond du Lac County
StateWisconsin
Coordinates43.76699, -88.48059
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length161 ft (49.1 m)
Longest span60 ft (18.3 m)
Deck width60 ft (18.2 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,450 (2023)
Projected traffic53,400 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 IH 41 NB over W Br Fond Du Lac River built?

It was built in 1953, making it 72 years old in 2025.

What condition is IH 41 NB over W Br Fond Du Lac 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 2023.

How much traffic does IH 41 NB over W Br Fond Du Lac River carry?

About 21,450 vehicles per day (2023 count).

How long is IH 41 NB over W Br Fond Du Lac River?

The structure is 161 ft (49.1 m) long with a longest span of 60 ft (18.3 m) and a deck 60 ft wide.

Who owns IH 41 NB over W Br Fond Du Lac River?

It is owned by the State Highway Agency.