US Bridges

FAI-64 WB over Eagle Slough Ditch

Fair

Wayne County, Illinois · 1.75 MI W 45 Int · Structure no. 096004600000000

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
328 ft
5 main spans
Daily traffic
5,500
2023 count
Owner
State
State Highway Agency

About this bridge

FAI-64 WB over Eagle Slough Ditch is a steel continuous stringer/multi-beam or girder carrying FAI-64 WB over Eagle Slough Ditch in Wayne County, Illinois. It was built in 1974, so it is 51 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 41% of them trucks, projected to reach 6,324 by 2046. The structure is 328 ft (100 m) long and 43 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesFAI-64 WB
CrossesEagle Slough Ditch
Location1.75 MI W 45 Int
RouteInterstate 64
Coordinates38.26636, -88.38408
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating33.2 US tons
Inventory rating26.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length328 ft (100 m)
Longest span69 ft (21 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2023)
Projected traffic6,324 by 2046
Trucks41%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FAI-64 WB over Eagle Slough Ditch built?

It was built in 1974, making it 51 years old in 2025.

What condition is FAI-64 WB over Eagle Slough Ditch 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 July 2024.

How much traffic does FAI-64 WB over Eagle Slough Ditch carry?

About 5,500 vehicles per day (2023 count), of which roughly 41% are trucks.

How long is FAI-64 WB over Eagle Slough Ditch?

The structure is 328 ft (100 m) long with a longest span of 69 ft (21 m) and a deck 43 ft wide.

Who owns FAI-64 WB over Eagle Slough Ditch?

It is owned by the State Highway Agency.