US Bridges

I- 55 West Frnt RD over Sunnyland Drain

PoorPosted for load

Will County, Illinois · 1.8 M S of US 30 · Structure no. 099003700000000

Built
1959
66 years old
Condition
Poor
inspected February 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
400
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

I- 55 West Frnt RD over Sunnyland Drain is a concrete slab carrying I- 55 West Frnt RD over Sunnyland Drain in Will County, Illinois. It was built in 1959, so it is 66 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 400 vehicles a day, roughly 7% of them trucks, projected to reach 648 by 2046. The structure is 23 ft (6.9 m) long and 39 ft wide.

CarriesI- 55 West Frnt RD
CrossesSunnyland Drain
Location1.8 M S of US 30
RouteCity Street 0
Coordinates41.56082, -88.18107
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating19.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length23 ft (6.9 m)
Longest span22 ft (6.7 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic648 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$98,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I- 55 West Frnt RD over Sunnyland Drain built?

It was built in 1959, making it 66 years old in 2025.

What condition is I- 55 West Frnt RD over Sunnyland Drain in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does I- 55 West Frnt RD over Sunnyland Drain carry?

About 400 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I- 55 West Frnt RD over Sunnyland Drain?

The structure is 23 ft (6.9 m) long with a longest span of 22 ft (6.7 m) and a deck 39 ft wide.

Who owns I- 55 West Frnt RD over Sunnyland Drain?

It is owned by the City or Municipal Highway Agency.