US Bridges

FAI 255 Ramp 6 over Ditch

Good

Madison County, Illinois · NB 255 to WB 55/70 · Structure no. 060202500000000

Built
1986
39 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
450
2021 count
Owner
State
State Highway Agency

About this bridge

FAI 255 Ramp 6 over Ditch is a concrete culvert carrying FAI 255 Ramp 6 over Ditch in Madison 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 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 450 vehicles a day, roughly 16% of them trucks, projected to reach 482 by 2046. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAI 255 Ramp 6
CrossesDitch
LocationNB 255 to WB 55/70
Coordinates38.67568, -90.02849
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 protection8 Very GoodNo problems noted.
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 rating68.2 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2021)
Projected traffic482 by 2046
Trucks16%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAI 255 Ramp 6 over Ditch built?

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

What condition is FAI 255 Ramp 6 over 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 Ramp 6 over Ditch carry?

About 450 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is FAI 255 Ramp 6 over Ditch?

The structure is 24 ft (7.3 m) long with a longest span of 8 ft (2.4 m).

Who owns FAI 255 Ramp 6 over Ditch?

It is owned by the State Highway Agency.