US Bridges

IH 41 NB Ramp to 4 over Drainage Ditch

Good

Winnebago County, Wisconsin · N of IH 41 · Structure no. B70027500000000

Built
2009
16 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
7,800
2023 count
Owner
State
State Highway Agency

About this bridge

IH 41 NB Ramp to 4 over Drainage Ditch is a concrete continuous culvert carrying IH 41 NB Ramp to 4 over Drainage Ditch in Winnebago County, Wisconsin. It was built in 2009, so it is 16 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,800 vehicles a day, projected to reach 6,050 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 41 NB Ramp to 4
CrossesDrainage Ditch
LocationN of IH 41
RouteInterstate 41
Coordinates44.06261, -88.57389
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2023)
Projected traffic6,050 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 Ramp to 4 over Drainage Ditch built?

It was built in 2009, making it 16 years old in 2025.

What condition is IH 41 NB Ramp to 4 over Drainage Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does IH 41 NB Ramp to 4 over Drainage Ditch carry?

About 7,800 vehicles per day (2023 count).

How long is IH 41 NB Ramp to 4 over Drainage Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns IH 41 NB Ramp to 4 over Drainage Ditch?

It is owned by the State Highway Agency.