US Bridges

WB 64 Ramp to WB 7 over I-55/70 Ramps Csxrr Kcsr

Good

St. Clair County, Illinois · Quadlevel Flyover to 70WB · Structure no. 082032500000000

Built
2014
11 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,868 ft
11 main spans
Daily traffic
14,100
2023 count
Owner
State
State Highway Agency

About this bridge

WB 64 Ramp to WB 7 over I-55/70 Ramps Csxrr Kcsr is a steel continuous stringer/multi-beam or girder carrying WB 64 Ramp to WB 7 over I-55/70 Ramps Csxrr Kcsr in St. Clair County, Illinois. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,100 vehicles a day, roughly 23% of them trucks, projected to reach 10,100 by 2046. The structure is 1,868 ft (569.3 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesWB 64 Ramp to WB 7
CrossesI-55/70 Ramps Csxrr Kcsr
LocationQuadlevel Flyover to 70WB
CountySt. Clair County
StateIllinois
Coordinates38.63401, -90.14484
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 25 or greater
Structure length1,868 ft (569.3 m)
Longest span222 ft (67.8 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,100 (2023)
Projected traffic10,100 by 2046
Trucks23%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was WB 64 Ramp to WB 7 over I-55/70 Ramps Csxrr Kcsr built?

It was built in 2014, making it 11 years old in 2025.

What condition is WB 64 Ramp to WB 7 over I-55/70 Ramps Csxrr Kcsr 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 September 2023.

How much traffic does WB 64 Ramp to WB 7 over I-55/70 Ramps Csxrr Kcsr carry?

About 14,100 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is WB 64 Ramp to WB 7 over I-55/70 Ramps Csxrr Kcsr?

The structure is 1,868 ft (569.3 m) long with a longest span of 222 ft (67.8 m) and a deck 37 ft wide.

Who owns WB 64 Ramp to WB 7 over I-55/70 Ramps Csxrr Kcsr?

It is owned by the State Highway Agency.