US Bridges

Stevenson DR (eb) over I-55 / I-72 / US 36

Fair

Sangamon County, Illinois · SE Edge Spfld · Structure no. 084008200000000

Built
1963
62 years old, rebuilt 2004
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
259 ft
4 main spans
Daily traffic
8,350
2023 count
Owner
State
State Highway Agency

About this bridge

Stevenson DR (eb) over I-55 / I-72 / US 36 is a steel continuous stringer/multi-beam or girder carrying Stevenson DR (eb) over I-55 / I-72 / US 36 in Sangamon County, Illinois. It was built in 1963 and reconstructed in 2004, so it is 62 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 8,350 vehicles a day, roughly 2% of them trucks, projected to reach 7,676 by 2046. The structure is 259 ft (78.9 m) long and 39 ft wide.

Location

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CarriesStevenson DR (eb)
CrossesI-55 / I-72 / US 36
LocationSE Edge Spfld
CountySangamon County
StateIllinois
Coordinates39.75826, -89.6065
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length259 ft (78.9 m)
Longest span89 ft (27 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,350 (2023)
Projected traffic7,676 by 2046
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 Stevenson DR (eb) over I-55 / I-72 / US 36 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2004.

What condition is Stevenson DR (eb) over I-55 / I-72 / US 36 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 September 2024.

How much traffic does Stevenson DR (eb) over I-55 / I-72 / US 36 carry?

About 8,350 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Stevenson DR (eb) over I-55 / I-72 / US 36?

The structure is 259 ft (78.9 m) long with a longest span of 89 ft (27 m) and a deck 39 ft wide.

Who owns Stevenson DR (eb) over I-55 / I-72 / US 36?

It is owned by the State Highway Agency.