US Bridges

IH 41 SB over Soo Line

Fair

Outagamie County, Wisconsin · 1.3M S JCT Sth 47 to N · Structure no. B44002000000000

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
129 ft
3 main spans
Daily traffic
36,650
2021 count
Owner
State
State Highway Agency

About this bridge

IH 41 SB over Soo Line is a prestressed concrete stringer/multi-beam or girder carrying IH 41 SB over Soo Line in Outagamie County, Wisconsin. It was built in 1960, so it is 65 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 36,650 vehicles a day, roughly 11% of them trucks, projected to reach 39,310 by 2042. The structure is 129 ft (39.3 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIH 41 SB
CrossesSoo Line
Location1.3M S JCT Sth 47 to N
RouteInterstate 41
CountyOutagamie County
StateWisconsin
Coordinates44.29907, -88.4357
Functional classRural 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
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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span44 ft (13.4 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,650 (2021)
Projected traffic39,310 by 2042
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$815,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 41 SB over Soo Line built?

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

What condition is IH 41 SB over Soo Line 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 July 2023.

How much traffic does IH 41 SB over Soo Line carry?

About 36,650 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is IH 41 SB over Soo Line?

The structure is 129 ft (39.3 m) long with a longest span of 44 ft (13.4 m) and a deck 36 ft wide.

Who owns IH 41 SB over Soo Line?

It is owned by the State Highway Agency.