US Bridges

Il 59 over Il 38

Fair

DuPage County, Illinois · 3.9 M S of Il 64 · Structure no. 022003600000000

Built
1933
92 years old, rebuilt 1975
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
29,300
2023 count
Owner
State
State Highway Agency

About this bridge

Il 59 over Il 38 is a steel stringer/multi-beam or girder carrying Il 59 over Il 38 in DuPage County, Illinois. It was built in 1933 and reconstructed in 1975, 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 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 29,300 vehicles a day, roughly 10% of them trucks, projected to reach 30,502 by 2046. The structure is 73 ft (22.4 m) long and 80 ft wide.

Location

Open in Google Maps
CarriesIl 59
CrossesIl 38
Location3.9 M S of Il 64
RouteState Highway 59
CountyDuPage County
StateIllinois
Coordinates41.86212, -88.19484
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length73 ft (22.4 m)
Longest span69 ft (21 m)
Deck width80 ft (24.4 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,300 (2023)
Projected traffic30,502 by 2046
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 59 over Il 38 built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1975.

What condition is Il 59 over Il 38 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 November 2024.

How much traffic does Il 59 over Il 38 carry?

About 29,300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Il 59 over Il 38?

The structure is 73 ft (22.4 m) long with a longest span of 69 ft (21 m) and a deck 80 ft wide.

Who owns Il 59 over Il 38?

It is owned by the State Highway Agency.