US Bridges

Il 64 over Salt Creek

Good

DuPage County, Illinois · 0.25 M W of Il 83 · Structure no. 022015800000000

Built
1985
40 years old, rebuilt 2014
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
154 ft
3 main spans
Daily traffic
44,000
2023 count
Owner
State
State Highway Agency

About this bridge

Il 64 over Salt Creek is a prestressed concrete box beam or girders - multiple carrying Il 64 over Salt Creek in DuPage County, Illinois. It was built in 1985 and reconstructed in 2014, so it is 40 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 44,000 vehicles a day, roughly 8% of them trucks, projected to reach 44,844 by 2046. The structure is 154 ft (46.9 m) long and 102 ft wide.

CarriesIl 64
CrossesSalt Creek
Location0.25 M W of Il 83
RouteState Highway 64
Coordinates41.90561, -87.96805
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length154 ft (46.9 m)
Longest span54 ft (16.5 m)
Deck width102 ft (31.1 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,000 (2023)
Projected traffic44,844 by 2046
Trucks8%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 64 over Salt Creek built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 2014.

What condition is Il 64 over Salt Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Il 64 over Salt Creek carry?

About 44,000 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Il 64 over Salt Creek?

The structure is 154 ft (46.9 m) long with a longest span of 54 ft (16.5 m) and a deck 102 ft wide.

Who owns Il 64 over Salt Creek?

It is owned by the State Highway Agency.