US Bridges

Il 83 (cal Sag RD over Tinley Creek

Good

Cook County, Illinois · At 127th ST · Structure no. 016133100000000

Built
2022
3 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
24,900
2023 count
Owner
State
State Highway Agency

About this bridge

Il 83 (cal Sag RD over Tinley Creek is a concrete continuous culvert carrying Il 83 (cal Sag RD over Tinley Creek in Cook County, Illinois. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24,900 vehicles a day, roughly 6% of them trucks, projected to reach 32,750 by 2046. The structure is 40 ft (12.3 m) long and 120 ft wide.

Location

Open in Google Maps
CarriesIl 83 (cal Sag RD
CrossesTinley Creek
LocationAt 127th ST
RouteState Highway 83
CountyCook County
StateIllinois
Coordinates41.6616, -87.75312
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating69.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length40 ft (12.3 m)
Longest span14 ft (4.3 m)
Deck width120 ft (36.6 m)
Roadway width120 ft (36.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,900 (2023)
Projected traffic32,750 by 2046
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 83 (cal Sag RD over Tinley Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Il 83 (cal Sag RD over Tinley Creek 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 Il 83 (cal Sag RD over Tinley Creek carry?

About 24,900 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 83 (cal Sag RD over Tinley Creek?

The structure is 40 ft (12.3 m) long with a longest span of 14 ft (4.3 m) and a deck 120 ft wide.

Who owns Il 83 (cal Sag RD over Tinley Creek?

It is owned by the State Highway Agency.