US Bridges

Sth 55 over Duck Creek

Good

Outagamie County, Wisconsin · 0.2M N JCT Cth S · Structure no. B44018100000000

Built
2002
23 years old
Condition
Good
inspected March 2022
Type
Slab
Concrete Continuous
Length
70 ft
2 main spans
Daily traffic
4,100
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 55 over Duck Creek is a concrete continuous slab carrying Sth 55 over Duck Creek in Outagamie County, Wisconsin. It was built in 2002, so it is 23 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 4,100 vehicles a day, roughly 7% of them trucks, projected to reach 4,500 by 2041. The structure is 70 ft (21.4 m) long and 54 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSth 55
CrossesDuck Creek
Location0.2M N JCT Cth S
RouteState Highway 55
CountyOutagamie County
StateWisconsin
Coordinates44.39053, -88.29134
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length70 ft (21.4 m)
Longest span34 ft (10.5 m)
Deck width54 ft (16.5 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2022)
Projected traffic4,500 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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 55 over Duck Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Sth 55 over Duck 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 March 2022.

How much traffic does Sth 55 over Duck Creek carry?

About 4,100 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Sth 55 over Duck Creek?

The structure is 70 ft (21.4 m) long with a longest span of 34 ft (10.5 m) and a deck 54 ft wide.

Who owns Sth 55 over Duck Creek?

It is owned by the State Highway Agency.