US Bridges

Independence Ave over S Br Kent Creek

Fair

Winnebago County, Illinois · 0.1 MI S of Preston · Structure no. 101612500000000

Built
1978
47 years old, rebuilt 2010
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
53 ft
3 main spans
Daily traffic
525
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Independence Ave over S Br Kent Creek is a concrete slab carrying Independence Ave over S Br Kent Creek in Winnebago County, Illinois. It was built in 1978 and reconstructed in 2010, so it is 47 years old, older 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 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 525 vehicles a day, roughly 17% of them trucks, projected to reach 657 by 2046. The structure is 53 ft (16.2 m) long and 39 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIndependence Ave
CrossesS Br Kent Creek
Location0.1 MI S of Preston
RouteCity Street 0
Coordinates42.27074, -89.11776
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length53 ft (16.2 m)
Longest span26 ft (7.9 m)
Deck width39 ft (11.9 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2022)
Projected traffic657 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$194,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Independence Ave over S Br Kent Creek built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2010.

What condition is Independence Ave over S Br 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 August 2023.

How much traffic does Independence Ave over S Br Kent Creek carry?

About 525 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Independence Ave over S Br Kent Creek?

The structure is 53 ft (16.2 m) long with a longest span of 26 ft (7.9 m) and a deck 39 ft wide.

Who owns Independence Ave over S Br Kent Creek?

It is owned by the City or Municipal Highway Agency.