US Bridges

Cedar ST over Kent Creek

Fair

Winnebago County, Illinois · 0.41 M W of Main · Structure no. 101612800000000

Built
1985
40 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
93 ft
3 main spans
Daily traffic
1,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cedar ST over Kent Creek is a prestressed concrete box beam or girders - multiple carrying Cedar ST over Kent Creek in Winnebago County, Illinois. It was built in 1985, so it is 40 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 1,500 vehicles a day, roughly 9% of them trucks, projected to reach 1,566 by 2046. The structure is 93 ft (28.3 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCedar ST
CrossesKent Creek
Location0.41 M W of Main
Coordinates42.27029, -89.10527
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span56 ft (17.1 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic1,566 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 Cedar ST over Kent Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Cedar ST over Kent Creek 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 July 2023.

How much traffic does Cedar ST over Kent Creek carry?

About 1,500 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Cedar ST over Kent Creek?

The structure is 93 ft (28.3 m) long with a longest span of 56 ft (17.1 m) and a deck 46 ft wide.

Who owns Cedar ST over Kent Creek?

It is owned by the City or Municipal Highway Agency.