US Bridges

I 64 EB over Casey Fork Overflow

Fair

Jefferson County, Illinois · .6 MI E ILL-37 Int · Structure no. 041008800000000

Built
1972
53 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
218 ft
4 main spans
Daily traffic
5,500
2024 count
Owner
State
State Highway Agency

About this bridge

I 64 EB over Casey Fork Overflow is a steel continuous stringer/multi-beam or girder carrying I 64 EB over Casey Fork Overflow in Jefferson County, Illinois. It was built in 1972, so it is 53 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 5,500 vehicles a day, roughly 44% of them trucks, projected to reach 6,818 by 2046. The structure is 218 ft (66.4 m) long and 42 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesI 64 EB
CrossesCasey Fork Overflow
Location.6 MI E ILL-37 Int
RouteInterstate 64
CountyJefferson County
StateIllinois
Coordinates38.27342, -88.88973
Functional classRural Principal Arterial - Interstate

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.
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length218 ft (66.4 m)
Longest span58 ft (17.7 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2024)
Projected traffic6,818 by 2046
Trucks44%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 64 EB over Casey Fork Overflow built?

It was built in 1972, making it 53 years old in 2025.

What condition is I 64 EB over Casey Fork Overflow 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 December 2023.

How much traffic does I 64 EB over Casey Fork Overflow carry?

About 5,500 vehicles per day (2024 count), of which roughly 44% are trucks.

How long is I 64 EB over Casey Fork Overflow?

The structure is 218 ft (66.4 m) long with a longest span of 58 ft (17.7 m) and a deck 42 ft wide.

Who owns I 64 EB over Casey Fork Overflow?

It is owned by the State Highway Agency.