US Bridges

IH Ramp to IH 43 S over Calhoun CR

Good

Waukesha County, Wisconsin · 0.1 MI S JCT Moorland RD · Structure no. B67031600000000

Built
2008
17 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
4,000
2022 count
Owner
State
State Highway Agency

About this bridge

IH Ramp to IH 43 S over Calhoun CR is a concrete culvert carrying IH Ramp to IH 43 S over Calhoun CR in Waukesha County, Wisconsin. It was built in 2008, so it is 17 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 4,000 vehicles a day, projected to reach 4,800 by 2041. The structure is 33 ft (10 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesIH Ramp to IH 43 S
CrossesCalhoun CR
Location0.1 MI S JCT Moorland RD
RouteInterstate 43
CountyWaukesha County
StateWisconsin
Coordinates42.95323, -88.11027
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 inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length33 ft (10 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2022)
Projected traffic4,800 by 2041
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Ramp to IH 43 S over Calhoun CR built?

It was built in 2008, making it 17 years old in 2025.

What condition is IH Ramp to IH 43 S over Calhoun CR 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 September 2022.

How much traffic does IH Ramp to IH 43 S over Calhoun CR carry?

About 4,000 vehicles per day (2022 count).

How long is IH Ramp to IH 43 S over Calhoun CR?

The structure is 33 ft (10 m) long with a longest span of 9 ft (2.7 m).

Who owns IH Ramp to IH 43 S over Calhoun CR?

It is owned by the State Highway Agency.