US Bridges

Il 23 over North Creek

Fair

Livingston County, Illinois · 2.11 MI S of I55 · Structure no. 053017400000000

Built
1994
31 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
84 ft
3 main spans
Daily traffic
5,150
2023 count
Owner
State
State Highway Agency

About this bridge

Il 23 over North Creek is a concrete continuous slab carrying Il 23 over North Creek in Livingston County, Illinois. It was built in 1994, 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 5,150 vehicles a day, roughly 6% of them trucks, projected to reach 5,505 by 2046. The structure is 84 ft (25.5 m) long and 43 ft wide.

CarriesIl 23
CrossesNorth Creek
Location2.11 MI S of I55
RouteState Highway 23
Coordinates40.8879, -88.64281
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.5 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length84 ft (25.5 m)
Longest span31 ft (9.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,150 (2023)
Projected traffic5,505 by 2046
Trucks6%
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 23 over North Creek built?

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

What condition is Il 23 over North 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 March 2023.

How much traffic does Il 23 over North Creek carry?

About 5,150 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 23 over North Creek?

The structure is 84 ft (25.5 m) long with a longest span of 31 ft (9.4 m) and a deck 43 ft wide.

Who owns Il 23 over North Creek?

It is owned by the State Highway Agency.