US Bridges

Cunningham RD over So Br Kent Creek

Good

Winnebago County, Illinois · 0.25 MI E Pierpont · Structure no. 101310100000000

Built
2011
14 years old
Condition
Good
inspected March 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
2,250
2022 count
Owner
County
County Highway Agency

About this bridge

Cunningham RD over So Br Kent Creek is a steel stringer/multi-beam or girder carrying Cunningham RD over So Br Kent Creek in Winnebago County, Illinois. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,250 vehicles a day, roughly 8% of them trucks, projected to reach 2,172 by 2046. The structure is 72 ft (21.9 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCunningham RD
CrossesSo Br Kent Creek
Location0.25 MI E Pierpont
CountyWinnebago County
StateIllinois
Coordinates42.26546, -89.13022
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length72 ft (21.9 m)
Longest span70 ft (21.2 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,250 (2022)
Projected traffic2,172 by 2046
Trucks8%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Cunningham RD over So Br Kent Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Cunningham RD over So Br Kent 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 March 2021.

How much traffic does Cunningham RD over So Br Kent Creek carry?

About 2,250 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Cunningham RD over So Br Kent Creek?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.2 m) and a deck 36 ft wide.

Who owns Cunningham RD over So Br Kent Creek?

It is owned by the County Highway Agency.