US Bridges

Sth 100-MAIN ST over Nor-X-Way Channel

Fair

Waukesha County, Wisconsin · 0.2 M E JCT IH 41/USH 45 · Structure no. B67019100000000

Built
1982
43 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
53 ft
4 main spans
Daily traffic
22,200
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 100-MAIN ST over Nor-X-Way Channel is a concrete continuous culvert carrying Sth 100-MAIN ST over Nor-X-Way Channel in Waukesha County, Wisconsin. It was built in 1982, so it is 43 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 22,200 vehicles a day, roughly 3% of them trucks, projected to reach 26,640 by 2042. The structure is 53 ft (16.1 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSth 100-MAIN ST
CrossesNor-X-Way Channel
Location0.2 M E JCT IH 41/USH 45
RouteState Highway 100
CountyWaukesha County
StateWisconsin
Coordinates43.1781, -88.08677
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
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 spans4
Design loadHS 20
Structure length53 ft (16.1 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 traffic22,200 (2022)
Projected traffic26,640 by 2042
Trucks3%
Lanes on structure7
Traffic directionTwo-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 Sth 100-MAIN ST over Nor-X-Way Channel built?

It was built in 1982, making it 43 years old in 2025.

What condition is Sth 100-MAIN ST over Nor-X-Way Channel 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 2023.

How much traffic does Sth 100-MAIN ST over Nor-X-Way Channel carry?

About 22,200 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Sth 100-MAIN ST over Nor-X-Way Channel?

The structure is 53 ft (16.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Sth 100-MAIN ST over Nor-X-Way Channel?

It is owned by the State Highway Agency.