US Bridges

IH E-N Ramp IH 79 over IH W to N RAMP(94EB-43NB

Good

Milwaukee County, Wisconsin · 1.6M W STH32 · Structure no. B40142100020000

Built
2008
17 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
1,016 ft
6 main spans
Daily traffic
9,800
2022 count
Owner
State
State Highway Agency

About this bridge

IH E-N Ramp IH 79 over IH W to N RAMP(94EB-43NB is a steel continuous box beam or girders - single or spread carrying IH E-N Ramp IH 79 over IH W to N RAMP(94EB-43NB in Milwaukee 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 9,800 vehicles a day, roughly 9% of them trucks, projected to reach 7,200 by 2042. The structure is 1,016 ft (309.6 m) long and 30 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesIH E-N Ramp IH 79
CrossesIH W to N RAMP(94EB-43NB
Location1.6M W STH32
RouteInterstate 43
CountyMilwaukee County
StateWisconsin
Coordinates43.03602, -87.9211
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 25 or greater
Structure length1,016 ft (309.6 m)
Longest span178 ft (54.3 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2022)
Projected traffic7,200 by 2042
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed2.5 mi (4 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH E-N Ramp IH 79 over IH W to N RAMP(94EB-43NB built?

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

What condition is IH E-N Ramp IH 79 over IH W to N RAMP(94EB-43NB 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 2023.

How much traffic does IH E-N Ramp IH 79 over IH W to N RAMP(94EB-43NB carry?

About 9,800 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is IH E-N Ramp IH 79 over IH W to N RAMP(94EB-43NB?

The structure is 1,016 ft (309.6 m) long with a longest span of 178 ft (54.3 m) and a deck 30 ft wide.

Who owns IH E-N Ramp IH 79 over IH W to N RAMP(94EB-43NB?

It is owned by the State Highway Agency.