US Bridges

US 20 over RR - Ej&e

Fair

Cook County, Illinois · 0.8M W Naperville RD · Structure no. 016021900000000

Built
1933
92 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
103 ft
3 main spans
Daily traffic
39,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 20 over RR - Ej&e is a prestressed concrete box beam or girders - multiple carrying US 20 over RR - Ej&e in Cook County, Illinois. It was built in 1933, so it is 92 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 39,500 vehicles a day, roughly 10% of them trucks, projected to reach 39,390 by 2046. The structure is 103 ft (31.3 m) long and 52 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 20
CrossesRR - Ej&e
Location0.8M W Naperville RD
RouteU.S. Route 20
Coordinates42.01743, -88.23245
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating88.6 US tons
Inventory rating52.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.3 m)
Longest span36 ft (11 m)
Deck width52 ft (15.8 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,500 (2023)
Projected traffic39,390 by 2046
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 20 over RR - Ej&e built?

It was built in 1933, making it 92 years old in 2025.

What condition is US 20 over RR - Ej&e 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 2024.

How much traffic does US 20 over RR - Ej&e carry?

About 39,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 20 over RR - Ej&e?

The structure is 103 ft (31.3 m) long with a longest span of 36 ft (11 m) and a deck 52 ft wide.

Who owns US 20 over RR - Ej&e?

It is owned by the State Highway Agency.