US Bridges

Cedar RD over I-355

Good

Will County, Illinois · 0.4 M W of US 6 · Structure no. 099032000000000

Built
2007
18 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
411 ft
2 main spans
Daily traffic
11,200
2023 count
Owner
County
County Highway Agency

About this bridge

Cedar RD over I-355 is a steel continuous stringer/multi-beam or girder carrying Cedar RD over I-355 in Will County, Illinois. It was built in 2007, so it is 18 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 11,200 vehicles a day, roughly 3% of them trucks, projected to reach 17,712 by 2046. The structure is 411 ft (125.2 m) long and 47 ft wide.

CarriesCedar RD
CrossesI-355
Location0.4 M W of US 6
Coordinates41.54414, -87.96682
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length411 ft (125.2 m)
Longest span184 ft (56.2 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2023)
Projected traffic17,712 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cedar RD over I-355 built?

It was built in 2007, making it 18 years old in 2025.

What condition is Cedar RD over I-355 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 August 2023.

How much traffic does Cedar RD over I-355 carry?

About 11,200 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Cedar RD over I-355?

The structure is 411 ft (125.2 m) long with a longest span of 184 ft (56.2 m) and a deck 47 ft wide.

Who owns Cedar RD over I-355?

It is owned by the County Highway Agency.