US Bridges

Toronto RD over I-55

Good

Sangamon County, Illinois · 1M N Lk Spfldbridge · Structure no. 084011700000000

Built
1968
57 years old, rebuilt 2002
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
229 ft
4 main spans
Daily traffic
11,300
2022 count
Owner
State
State Highway Agency

About this bridge

Toronto RD over I-55 is a steel continuous stringer/multi-beam or girder carrying Toronto RD over I-55 in Sangamon County, Illinois. It was built in 1968 and reconstructed in 2002, so it is 57 years old, older 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 11,300 vehicles a day, roughly 7% of them trucks, projected to reach 9,595 by 2046. The structure is 229 ft (69.8 m) long and 88 ft wide.

CarriesToronto RD
CrossesI-55
Location1M N Lk Spfldbridge
Coordinates39.71368, -89.64428
Functional classUrban Minor Arterial

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.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating98.2 US tons
Inventory rating60.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length229 ft (69.8 m)
Longest span70 ft (21.4 m)
Deck width88 ft (26.8 m)
Roadway width85 ft (25.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,300 (2022)
Projected traffic9,595 by 2046
Trucks7%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Toronto RD over I-55 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2002.

What condition is Toronto RD over I-55 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 September 2024.

How much traffic does Toronto RD over I-55 carry?

About 11,300 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Toronto RD over I-55?

The structure is 229 ft (69.8 m) long with a longest span of 70 ft (21.4 m) and a deck 88 ft wide.

Who owns Toronto RD over I-55?

It is owned by the State Highway Agency.