US Bridges

I-270 WB over Engineer RD A&srr

Fair

Madison County, Illinois · 1.25 MI W of Il 111 · Structure no. 060004500000000

Built
1962
63 years old, rebuilt 1998
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
279 ft
3 main spans
Daily traffic
29,650
2023 count
Owner
State
State Highway Agency

About this bridge

I-270 WB over Engineer RD A&srr is a steel continuous stringer/multi-beam or girder carrying I-270 WB over Engineer RD A&srr in Madison County, Illinois. It was built in 1962 and reconstructed in 1998, so it is 63 years old, older 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 29,650 vehicles a day, roughly 18% of them trucks, projected to reach 30,100 by 2046. The structure is 279 ft (85.1 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-270 WB
CrossesEngineer RD A&srr
Location1.25 MI W of Il 111
RouteInterstate 270
CountyMadison County
StateIllinois
Coordinates38.75796, -90.08941
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating64.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length279 ft (85.1 m)
Longest span132 ft (40.1 m)
Deck width67 ft (20.3 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,650 (2023)
Projected traffic30,100 by 2046
Trucks18%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-270 WB over Engineer RD A&srr built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1998.

What condition is I-270 WB over Engineer RD A&srr 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 January 2024.

How much traffic does I-270 WB over Engineer RD A&srr carry?

About 29,650 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I-270 WB over Engineer RD A&srr?

The structure is 279 ft (85.1 m) long with a longest span of 132 ft (40.1 m) and a deck 67 ft wide.

Who owns I-270 WB over Engineer RD A&srr?

It is owned by the State Highway Agency.