US Bridges

IH 94 WB over Sth 83

Fair

Waukesha County, Wisconsin · 6.6M W JCT Sth 16 · Structure no. B67006200000000

Built
1962
63 years old, rebuilt 1990
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
194 ft
4 main spans
Daily traffic
75,000
2023 count
Owner
State
State Highway Agency

About this bridge

IH 94 WB over Sth 83 is a prestressed concrete stringer/multi-beam or girder carrying IH 94 WB over Sth 83 in Waukesha County, Wisconsin. It was built in 1962 and reconstructed in 1990, so it is 63 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 6 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 75,000 vehicles a day, roughly 12% of them trucks, projected to reach 43,020 by 2042. The structure is 194 ft (59.2 m) long and 60 ft wide.

CarriesIH 94 WB
CrossesSth 83
Location6.6M W JCT Sth 16
RouteInterstate 94
Coordinates43.05162, -88.37308
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.1 US tons
Inventory rating32.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length194 ft (59.2 m)
Longest span58 ft (17.7 m)
Deck width60 ft (18.3 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75,000 (2023)
Projected traffic43,020 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$1.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 94 WB over Sth 83 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1990.

What condition is IH 94 WB over Sth 83 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 May 2024.

How much traffic does IH 94 WB over Sth 83 carry?

About 75,000 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is IH 94 WB over Sth 83?

The structure is 194 ft (59.2 m) long with a longest span of 58 ft (17.7 m) and a deck 60 ft wide.

Who owns IH 94 WB over Sth 83?

It is owned by the State Highway Agency.