US Bridges

Sth 83 NB over Spring Brook

Good

Waukesha County, Wisconsin · 1.2 MI S JCT Sth 59 · Structure no. B67032600000000

Built
2011
14 years old
Condition
Good
inspected September 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
3,200
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 83 NB over Spring Brook is a prestressed concrete stringer/multi-beam or girder carrying Sth 83 NB over Spring Brook in Waukesha County, Wisconsin. It was built in 2011, so it is 14 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 3,200 vehicles a day, roughly 7% of them trucks, projected to reach 3,840 by 2042. The structure is 94 ft (28.6 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSth 83 NB
CrossesSpring Brook
Location1.2 MI S JCT Sth 59
RouteState Highway 83
CountyWaukesha County
StateWisconsin
Coordinates42.9433, -88.34834
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length94 ft (28.6 m)
Longest span90 ft (27.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2022)
Projected traffic3,840 by 2042
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 83 NB over Spring Brook built?

It was built in 2011, making it 14 years old in 2025.

What condition is Sth 83 NB over Spring Brook 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 2021.

How much traffic does Sth 83 NB over Spring Brook carry?

About 3,200 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Sth 83 NB over Spring Brook?

The structure is 94 ft (28.6 m) long with a longest span of 90 ft (27.4 m) and a deck 43 ft wide.

Who owns Sth 83 NB over Spring Brook?

It is owned by the State Highway Agency.