US Bridges

IH W-N Ramp (IH94 over Lrd S 13th ST

Fair

Milwaukee County, Wisconsin · 1.0 MI E JCT Sth 57 · Structure no. B40132200000000

Built
2006
19 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
476 ft
4 main spans
Daily traffic
38,100
2022 count
Owner
State
State Highway Agency

About this bridge

IH W-N Ramp (IH94 over Lrd S 13th ST is a prestressed concrete continuous stringer/multi-beam or girder carrying IH W-N Ramp (IH94 over Lrd S 13th ST in Milwaukee County, Wisconsin. It was built in 2006, so it is 19 years old, younger 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 38,100 vehicles a day, roughly 9% of them trucks, projected to reach 36,200 by 2043. The structure is 476 ft (145.2 m) long and 43 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesIH W-N Ramp (IH94
CrossesLrd S 13th ST
Location1.0 MI E JCT Sth 57
RouteInterstate 43
CountyMilwaukee County
StateWisconsin
Coordinates43.03537, -87.92839
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length476 ft (145.2 m)
Longest span118 ft (36 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,100 (2022)
Projected traffic36,200 by 2043
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 W-N Ramp (IH94 over Lrd S 13th ST built?

It was built in 2006, making it 19 years old in 2025.

What condition is IH W-N Ramp (IH94 over Lrd S 13th ST 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 September 2024.

How much traffic does IH W-N Ramp (IH94 over Lrd S 13th ST carry?

About 38,100 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is IH W-N Ramp (IH94 over Lrd S 13th ST?

The structure is 476 ft (145.2 m) long with a longest span of 118 ft (36 m) and a deck 43 ft wide.

Who owns IH W-N Ramp (IH94 over Lrd S 13th ST?

It is owned by the State Highway Agency.