US Bridges

Winnebago Street over Kent CR & RR Tracks

Poor

Winnebago County, Illinois · 0.4 MI S of State ST · Structure no. 101612600000000

Built
1982
43 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
744 ft
9 main spans
Daily traffic
4,900
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Winnebago Street over Kent CR & RR Tracks is a prestressed concrete stringer/multi-beam or girder carrying Winnebago Street over Kent CR & RR Tracks in Winnebago County, Illinois. It was built in 1982, so it is 43 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,900 vehicles a day, roughly 8% of them trucks, projected to reach 5,808 by 2046. The structure is 744 ft (226.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWinnebago Street
CrossesKent CR & RR Tracks
Location0.4 MI S of State ST
Coordinates42.26718, -89.1026
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating66.8 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length744 ft (226.8 m)
Longest span92 ft (28 m)
Deck width40 ft (12.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2022)
Projected traffic5,808 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Winnebago Street over Kent CR & RR Tracks built?

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

What condition is Winnebago Street over Kent CR & RR Tracks in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does Winnebago Street over Kent CR & RR Tracks carry?

About 4,900 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Winnebago Street over Kent CR & RR Tracks?

The structure is 744 ft (226.8 m) long with a longest span of 92 ft (28 m) and a deck 40 ft wide.

Who owns Winnebago Street over Kent CR & RR Tracks?

It is owned by the City or Municipal Highway Agency.