US Bridges

I 255 "ramp 006" over FAI 55 70;US 40

Good

Madison County, Illinois · 1.4MI W of Ill 157 · Structure no. 060020500000000

Built
1986
39 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
209 ft
2 main spans
Daily traffic
6,700
2021 count
Owner
State
State Highway Agency

About this bridge

I 255 "ramp 006" over FAI 55 70;US 40 is a steel continuous stringer/multi-beam or girder carrying I 255 "ramp 006" over FAI 55 70;US 40 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 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 6,700 vehicles a day, roughly 22% of them trucks, projected to reach 7,169 by 2046. The structure is 209 ft (63.7 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesI 255 "ramp 006"
CrossesFAI 55 70;US 40
Location1.4MI W of Ill 157
CountyMadison County
StateIllinois
Coordinates38.67177, -90.03309
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length209 ft (63.7 m)
Longest span109 ft (33.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2021)
Projected traffic7,169 by 2046
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 255 "ramp 006" over FAI 55 70;US 40 built?

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

What condition is I 255 "ramp 006" over FAI 55 70;US 40 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 I 255 "ramp 006" over FAI 55 70;US 40 carry?

About 6,700 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is I 255 "ramp 006" over FAI 55 70;US 40?

The structure is 209 ft (63.7 m) long with a longest span of 109 ft (33.2 m) and a deck 43 ft wide.

Who owns I 255 "ramp 006" over FAI 55 70;US 40?

It is owned by the State Highway Agency.