US Bridges

FAI 255 over Schnieder Ditch

Good

Madison County, Illinois · .5MI No OFI-55/70 · Structure no. 060202700000000

Built
1985
40 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
35 ft
3 main spans
Daily traffic
40,200
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 255 over Schnieder Ditch is a concrete continuous culvert carrying FAI 255 over Schnieder Ditch in Madison County, Illinois. It was built in 1985, 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 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 40,200 vehicles a day, roughly 11% of them trucks, projected to reach 46,652 by 2046. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAI 255
CrossesSchnieder Ditch
Location.5MI No OFI-55/70
RouteInterstate 255
Coordinates38.67838, -90.02975
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,200 (2023)
Projected traffic46,652 by 2046
Trucks11%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 255 over Schnieder Ditch built?

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

What condition is FAI 255 over Schnieder Ditch 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 2025.

How much traffic does FAI 255 over Schnieder Ditch carry?

About 40,200 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is FAI 255 over Schnieder Ditch?

The structure is 35 ft (10.7 m) long with a longest span of 11 ft (3.4 m).

Who owns FAI 255 over Schnieder Ditch?

It is owned by the State Highway Agency.