US Bridges

Il 255 NB (FAP310N over Madison Ave/Fau 8975

Fair

Madison County, Illinois · 1/4 M W of S.Roxana · Structure no. 060028400000000

Built
1995
30 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
177 ft
2 main spans
Daily traffic
28,300
2023 count
Owner
State
State Highway Agency

About this bridge

Il 255 NB (FAP310N over Madison Ave/Fau 8975 is a prestressed concrete stringer/multi-beam or girder carrying Il 255 NB (FAP310N over Madison Ave/Fau 8975 in Madison County, Illinois. It was built in 1995, so it is 30 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 28,300 vehicles a day, roughly 12% of them trucks, projected to reach 14,927 by 2046. The structure is 177 ft (53.9 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIl 255 NB (FAP310N
CrossesMadison Ave/Fau 8975
Location1/4 M W of S.Roxana
RouteState Highway 255
CountyMadison County
StateIllinois
Coordinates38.83264, -90.04348
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.3 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20
Structure length177 ft (53.9 m)
Longest span110 ft (33.5 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,300 (2023)
Projected traffic14,927 by 2046
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 NB (FAP310N over Madison Ave/Fau 8975 built?

It was built in 1995, making it 30 years old in 2025.

What condition is Il 255 NB (FAP310N over Madison Ave/Fau 8975 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Il 255 NB (FAP310N over Madison Ave/Fau 8975 carry?

About 28,300 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Il 255 NB (FAP310N over Madison Ave/Fau 8975?

The structure is 177 ft (53.9 m) long with a longest span of 110 ft (33.5 m) and a deck 55 ft wide.

Who owns Il 255 NB (FAP310N over Madison Ave/Fau 8975?

It is owned by the State Highway Agency.