US Bridges

Cth EB over Duck Creek

Good

Brown County, Wisconsin · 0.3M N of JCT Sth 29 · Structure no. B05032800000000

Built
1998
27 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
210 ft
3 main spans
Daily traffic
8,800
2022 count
Owner
County
County Highway Agency

About this bridge

Cth EB over Duck Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth EB over Duck Creek in Brown County, Wisconsin. It was built in 1998, so it is 27 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 8,800 vehicles a day, projected to reach 22,330 by 2041. The structure is 210 ft (64.1 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCth EB
CrossesDuck Creek
Location0.3M N of JCT Sth 29
RouteCounty Highway 0EB
Coordinates44.54676, -88.08491
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length210 ft (64.1 m)
Longest span69 ft (21.1 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2022)
Projected traffic22,330 by 2041
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth EB over Duck Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Cth EB 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 October 2022.

How much traffic does Cth EB over Duck Creek carry?

About 8,800 vehicles per day (2022 count).

How long is Cth EB over Duck Creek?

The structure is 210 ft (64.1 m) long with a longest span of 69 ft (21.1 m) and a deck 31 ft wide.

Who owns Cth EB over Duck Creek?

It is owned by the County Highway Agency.