US Bridges

Sth 21-CONGRESS ST over Fox River

Fair

Winnebago County, Wisconsin · 0.9M E JCT Ush 41 to N · Structure no. B70009100020000

Built
1982
43 years old
Condition
Fair
inspected May 2024
Type
Movable - Bascule
Steel
Length
170 ft
1 main span
Daily traffic
20,600
2024 count
Owner
State
State Highway Agency

About this bridge

Sth 21-CONGRESS ST over Fox River is a steel movable - bascule carrying Sth 21-CONGRESS ST over Fox River in Winnebago 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 6 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 20,600 vehicles a day, projected to reach 19,998 by 2043. The structure is 170 ft (51.8 m) long and 67 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSth 21-CONGRESS ST
CrossesFox River
Location0.9M E JCT Ush 41 to N
RouteState Highway 21
CountyWinnebago County
StateWisconsin
Coordinates44.03431, -88.56367
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span170 ft (51.8 m)
Deck width67 ft (20.3 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,600 (2024)
Projected traffic19,998 by 2043
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Sth 21-CONGRESS ST over Fox River built?

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

What condition is Sth 21-CONGRESS ST over Fox River 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 May 2024.

How much traffic does Sth 21-CONGRESS ST over Fox River carry?

About 20,600 vehicles per day (2024 count).

How long is Sth 21-CONGRESS ST over Fox River?

The structure is 170 ft (51.8 m) long with a longest span of 170 ft (51.8 m) and a deck 67 ft wide.

Who owns Sth 21-CONGRESS ST over Fox River?

It is owned by the State Highway Agency.