US Bridges

Il 83 SB over Indian Creek

Fair

Lake County, Illinois · 2.0 M N of Il 22 · Structure no. 049017700000000

Built
1994
31 years old, rebuilt 1995
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
27,900
2023 count
Owner
State
State Highway Agency

About this bridge

Il 83 SB over Indian Creek is a prestressed concrete stringer/multi-beam or girder carrying Il 83 SB over Indian Creek in Lake County, Illinois. It was built in 1994 and reconstructed in 1995, so it is 31 years old, younger 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 27,900 vehicles a day, roughly 7% of them trucks, projected to reach 13,635 by 2046. The structure is 91 ft (27.8 m) long and 31 ft wide.

CarriesIl 83 SB
CrossesIndian Creek
Location2.0 M N of Il 22
RouteState Highway 83
Coordinates42.21631, -87.99428
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length91 ft (27.8 m)
Longest span83 ft (25.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,900 (2023)
Projected traffic13,635 by 2046
Trucks7%
Lanes on structure2
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 SB over Indian Creek built?

It was built in 1994, making it 31 years old in 2025. It was reconstructed in 1995.

What condition is Il 83 SB over Indian Creek 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 January 2024.

How much traffic does Il 83 SB over Indian Creek carry?

About 27,900 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Il 83 SB over Indian Creek?

The structure is 91 ft (27.8 m) long with a longest span of 83 ft (25.3 m) and a deck 31 ft wide.

Who owns Il 83 SB over Indian Creek?

It is owned by the State Highway Agency.