US Bridges

Ill 23 over Stream

Good

Livingston County, Illinois · 1.60 MI N of I-55 · Structure no. 053201400000000

Built
1977
48 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 23 over Stream is a concrete continuous culvert carrying Ill 23 over Stream in Livingston County, Illinois. It was built in 1977, so it is 48 years old, older 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 2,900 vehicles a day, roughly 8% of them trucks, projected to reach 2,677 by 2046. The structure is 37 ft (11.2 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIll 23
CrossesStream
Location1.60 MI N of I-55
RouteState Highway 23
CountyLivingston County
StateIllinois
Coordinates40.94171, -88.6437
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating49.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length37 ft (11.2 m)
Longest span13 ft (3.9 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic2,677 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Ill 23 over Stream built?

It was built in 1977, making it 48 years old in 2025.

What condition is Ill 23 over Stream 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 January 2023.

How much traffic does Ill 23 over Stream carry?

About 2,900 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Ill 23 over Stream?

The structure is 37 ft (11.2 m) long with a longest span of 13 ft (3.9 m) and a deck 44 ft wide.

Who owns Ill 23 over Stream?

It is owned by the State Highway Agency.