US Bridges

Sth 59-GREENFIELD over Poplar Creek

Good

Waukesha County, Wisconsin · 1.8 MI E JCT Sth 164 · Structure no. B67022700000000

Built
1993
32 years old, rebuilt 2006
Condition
Good
inspected May 2022
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
16,100
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 59-GREENFIELD over Poplar Creek is a concrete continuous culvert carrying Sth 59-GREENFIELD over Poplar Creek in Waukesha County, Wisconsin. It was built in 1993 and reconstructed in 2006, so it is 32 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 16,100 vehicles a day, roughly 3% of them trucks, projected to reach 19,320 by 2042. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSth 59-GREENFIELD
CrossesPoplar Creek
Location1.8 MI E JCT Sth 164
RouteState Highway 59
CountyWaukesha County
StateWisconsin
Coordinates43.01371, -88.17568
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 spans3
Design loadHS 20
Structure length39 ft (11.9 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 traffic16,100 (2022)
Projected traffic19,320 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 59-GREENFIELD over Poplar Creek built?

It was built in 1993, making it 32 years old in 2025. It was reconstructed in 2006.

What condition is Sth 59-GREENFIELD over Poplar Creek 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 May 2022.

How much traffic does Sth 59-GREENFIELD over Poplar Creek carry?

About 16,100 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Sth 59-GREENFIELD over Poplar Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Sth 59-GREENFIELD over Poplar Creek?

It is owned by the State Highway Agency.