US Bridges

US 20 E B over Ill 2

Fair

Winnebago County, Illinois · 1 MI S of Rockford · Structure no. 101018600000000

Built
2019
6 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
220 ft
2 main spans
Daily traffic
20,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 20 E B over Ill 2 is a prestressed concrete continuous stringer/multi-beam or girder carrying US 20 E B over Ill 2 in Winnebago County, Illinois. It was built in 2019, so it is 6 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 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 20,400 vehicles a day, roughly 13% of them trucks, projected to reach 10,555 by 2046. The structure is 220 ft (67 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 20 E B
CrossesIll 2
Location1 MI S of Rockford
RouteU.S. Route 20
Coordinates42.21932, -89.10913
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length220 ft (67 m)
Longest span116 ft (35.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,400 (2023)
Projected traffic10,555 by 2046
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 20 E B over Ill 2 built?

It was built in 2019, making it 6 years old in 2025.

What condition is US 20 E B over Ill 2 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 January 2024.

How much traffic does US 20 E B over Ill 2 carry?

About 20,400 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US 20 E B over Ill 2?

The structure is 220 ft (67 m) long with a longest span of 116 ft (35.4 m) and a deck 43 ft wide.

Who owns US 20 E B over Ill 2?

It is owned by the State Highway Agency.