US Bridges

Ch 52(WILLOW Brook over Branch of Dry Creek

Good

Winnebago County, Illinois · 0.5 MI S Rockton RD · Structure no. 101515400000000

Built
2004
21 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
5,650
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ch 52(WILLOW Brook over Branch of Dry Creek is a concrete culvert carrying Ch 52(WILLOW Brook over Branch of Dry Creek in Winnebago County, Illinois. It was built in 2004, so it is 21 years old, younger than the Illinois average of 45.3 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 5,650 vehicles a day, roughly 5% of them trucks, projected to reach 5,000 by 2046. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCh 52(WILLOW Brook
CrossesBranch of Dry Creek
Location0.5 MI S Rockton RD
Coordinates42.45012, -88.99995
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.9 US tons
Inventory rating52.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length29 ft (8.7 m)
Longest span13 ft (4.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,650 (2022)
Projected traffic5,000 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Ch 52(WILLOW Brook over Branch of Dry Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Ch 52(WILLOW Brook over Branch of Dry 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 July 2021.

How much traffic does Ch 52(WILLOW Brook over Branch of Dry Creek carry?

About 5,650 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Ch 52(WILLOW Brook over Branch of Dry Creek?

The structure is 29 ft (8.7 m) long with a longest span of 13 ft (4.1 m).

Who owns Ch 52(WILLOW Brook over Branch of Dry Creek?

It is owned by the City or Municipal Highway Agency.