US Bridges

IH 94 over Pewaukee River

Fair

Waukesha County, Wisconsin · 7.4M E JCT Sth 83 to N · Structure no. B67001200000000

Built
1957
68 years old, rebuilt 1993
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
112,000
2022 count
Owner
State
State Highway Agency

About this bridge

IH 94 over Pewaukee River is a concrete continuous culvert carrying IH 94 over Pewaukee River in Waukesha County, Wisconsin. It was built in 1957 and reconstructed in 1993, so it is 68 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 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 112,000 vehicles a day, roughly 1% of them trucks, projected to reach 134,400 by 2042. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesIH 94
CrossesPewaukee River
Location7.4M E JCT Sth 83 to N
RouteInterstate 94
CountyWaukesha County
StateWisconsin
Coordinates43.04877, -88.23124
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal 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 Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112,000 (2022)
Projected traffic134,400 by 2042
Trucks1%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 94 over Pewaukee River built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1993.

What condition is IH 94 over Pewaukee River 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 over Pewaukee River carry?

About 112,000 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is IH 94 over Pewaukee River?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m).

Who owns IH 94 over Pewaukee River?

It is owned by the State Highway Agency.