US Bridges

Il 255 (fap 310) over Il 140

Good

Madison County, Illinois · Bethalto · Structure no. 060029400000000

Built
2005
20 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
520 ft
3 main spans
Daily traffic
16,900
2024 count
Owner
State
State Highway Agency

About this bridge

Il 255 (fap 310) over Il 140 is a steel continuous stringer/multi-beam or girder carrying Il 255 (fap 310) over Il 140 in Madison County, Illinois. It was built in 2005, so it is 20 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 16,900 vehicles a day, roughly 9% of them trucks, projected to reach 17,441 by 2046. The structure is 520 ft (158.6 m) long and 90 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIl 255 (fap 310)
CrossesIl 140
LocationBethalto
RouteState Highway 255
CountyMadison County
StateIllinois
Coordinates38.90259, -90.06488
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating48.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length520 ft (158.6 m)
Longest span220 ft (67 m)
Deck width90 ft (27.5 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,900 (2024)
Projected traffic17,441 by 2046
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed5 mi (8 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 (fap 310) over Il 140 built?

It was built in 2005, making it 20 years old in 2025.

What condition is Il 255 (fap 310) over Il 140 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 (fap 310) over Il 140 carry?

About 16,900 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Il 255 (fap 310) over Il 140?

The structure is 520 ft (158.6 m) long with a longest span of 220 ft (67 m) and a deck 90 ft wide.

Who owns Il 255 (fap 310) over Il 140?

It is owned by the State Highway Agency.