US Bridges

Il 255 SB (FAP310S over Comm DR & Cty Ditch

Good

Madison County, Illinois · 1.25 M N of I-270 · Structure no. 060027300000000

Built
1994
31 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
212 ft
2 main spans
Daily traffic
36,500
2023 count
Owner
State
State Highway Agency

About this bridge

Il 255 SB (FAP310S over Comm DR & Cty Ditch is a steel continuous stringer/multi-beam or girder carrying Il 255 SB (FAP310S over Comm DR & Cty Ditch in Madison County, Illinois. It was built in 1994, so it is 31 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 36,500 vehicles a day, roughly 14% of them trucks, projected to reach 19,688 by 2046. The structure is 212 ft (64.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIl 255 SB (FAP310S
CrossesComm DR & Cty Ditch
Location1.25 M N of I-270
RouteState Highway 255
CountyMadison County
StateIllinois
Coordinates38.77655, -90.04383
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating82.5 US tons
Inventory rating49.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span103 ft (31.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,500 (2023)
Projected traffic19,688 by 2046
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and waterway
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 Il 255 SB (FAP310S over Comm DR & Cty Ditch built?

It was built in 1994, making it 31 years old in 2025.

What condition is Il 255 SB (FAP310S over Comm DR & Cty 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 November 2024.

How much traffic does Il 255 SB (FAP310S over Comm DR & Cty Ditch carry?

About 36,500 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Il 255 SB (FAP310S over Comm DR & Cty Ditch?

The structure is 212 ft (64.6 m) long with a longest span of 103 ft (31.4 m) and a deck 43 ft wide.

Who owns Il 255 SB (FAP310S over Comm DR & Cty Ditch?

It is owned by the State Highway Agency.