US Bridges

Il 255 NB over UPRR

Good

Madison County, Illinois · 4 MI N of I-270 · Structure no. 060028000000000

Built
1995
30 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
333 ft
3 main spans
Daily traffic
28,300
2023 count
Owner
State
State Highway Agency

About this bridge

Il 255 NB over UPRR is a steel continuous stringer/multi-beam or girder carrying Il 255 NB over UPRR 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 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 28,300 vehicles a day, roughly 12% of them trucks, projected to reach 14,927 by 2046. The structure is 333 ft (101.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIl 255 NB
CrossesUPRR
Location4 MI N of I-270
RouteState Highway 255
Coordinates38.81735, -90.04186
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.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating44.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length333 ft (101.5 m)
Longest span126 ft (38.4 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.6 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
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 255 NB over UPRR built?

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

What condition is Il 255 NB over UPRR 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 NB over UPRR carry?

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

How long is Il 255 NB over UPRR?

The structure is 333 ft (101.5 m) long with a longest span of 126 ft (38.4 m) and a deck 44 ft wide.

Who owns Il 255 NB over UPRR?

It is owned by the State Highway Agency.