US Bridges

US 20 WB over Cunningham Rd.

Fair

Winnebago County, Illinois · 1 MI E Meridian RD · Structure no. 101004700000000

Built
1964
61 years old, rebuilt 2003
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
242 ft
4 main spans
Daily traffic
14,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 20 WB over Cunningham Rd. is a steel continuous stringer/multi-beam or girder carrying US 20 WB over Cunningham Rd. in Winnebago County, Illinois. It was built in 1964 and reconstructed in 2003, so it is 61 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 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 14,600 vehicles a day, roughly 15% of them trucks, projected to reach 7,828 by 2046. The structure is 242 ft (73.7 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 20 WB
CrossesCunningham Rd.
Location1 MI E Meridian RD
RouteU.S. Route 20
CountyWinnebago County
StateIllinois
Coordinates42.26011, -89.151
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating65.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length242 ft (73.7 m)
Longest span62 ft (19 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,600 (2023)
Projected traffic7,828 by 2046
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$860,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 20 WB over Cunningham Rd. built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2003.

What condition is US 20 WB over Cunningham Rd. 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 March 2023.

How much traffic does US 20 WB over Cunningham Rd. carry?

About 14,600 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is US 20 WB over Cunningham Rd.?

The structure is 242 ft (73.7 m) long with a longest span of 62 ft (19 m) and a deck 36 ft wide.

Who owns US 20 WB over Cunningham Rd.?

It is owned by the State Highway Agency.