US Bridges

FAI 72 WB over Drainage Ditch

Fair

Scott County, Illinois · 2.6MI W Il 100 Int · Structure no. 086004300000000

Built
1986
39 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
249 ft
4 main spans
Daily traffic
4,950
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 72 WB over Drainage Ditch is a steel continuous stringer/multi-beam or girder carrying FAI 72 WB over Drainage Ditch in Scott County, Illinois. It was built in 1986, so it is 39 years old, younger 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 6 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 4,950 vehicles a day, roughly 34% of them trucks, projected to reach 4,596 by 2046. The structure is 249 ft (75.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFAI 72 WB
CrossesDrainage Ditch
Location2.6MI W Il 100 Int
RouteInterstate 72
CountyScott County
StateIllinois
Coordinates39.6918, -90.61991
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length249 ft (75.9 m)
Longest span66 ft (20.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,950 (2023)
Projected traffic4,596 by 2046
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 FAI 72 WB over Drainage Ditch built?

It was built in 1986, making it 39 years old in 2025.

What condition is FAI 72 WB over Drainage 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 October 2023.

How much traffic does FAI 72 WB over Drainage Ditch carry?

About 4,950 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is FAI 72 WB over Drainage Ditch?

The structure is 249 ft (75.9 m) long with a longest span of 66 ft (20.2 m) and a deck 43 ft wide.

Who owns FAI 72 WB over Drainage Ditch?

It is owned by the State Highway Agency.