US Bridges

Ardmore Ave over Chicago Central & P

Fair

DuPage County, Illinois · 0.7 M N ST Charles R · Structure no. 022693000000000

Built
1978
47 years old, rebuilt 2012
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
118 ft
3 main spans
Daily traffic
7,100
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ardmore Ave over Chicago Central & P is a prestressed concrete box beam or girders - multiple carrying Ardmore Ave over Chicago Central & P in DuPage County, Illinois. It was built in 1978 and reconstructed in 2012, so it is 47 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 7,100 vehicles a day, roughly 3% of them trucks, projected to reach 7,626 by 2046. The structure is 118 ft (36 m) long and 62 ft wide.

Location

Open in Google Maps
CarriesArdmore Ave
CrossesChicago Central & P
Location0.7 M N ST Charles R
CountyDuPage County
StateIllinois
Coordinates41.90283, -87.97871
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length118 ft (36 m)
Longest span39 ft (11.9 m)
Deck width62 ft (19 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2024)
Projected traffic7,626 by 2046
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ardmore Ave over Chicago Central & P built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2012.

What condition is Ardmore Ave over Chicago Central & P 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 October 2024.

How much traffic does Ardmore Ave over Chicago Central & P carry?

About 7,100 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Ardmore Ave over Chicago Central & P?

The structure is 118 ft (36 m) long with a longest span of 39 ft (11.9 m) and a deck 62 ft wide.

Who owns Ardmore Ave over Chicago Central & P?

It is owned by the City or Municipal Highway Agency.