US Bridges

I 57 over Stream

Good

Jefferson County, Illinois · 1 MI N Bonnie · Structure no. 041200800000000

Built
1967
58 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
29 ft
3 main spans
Daily traffic
18,100
2024 count
Owner
State
State Highway Agency

About this bridge

I 57 over Stream is a concrete continuous culvert carrying I 57 over Stream in Jefferson County, Illinois. It was built in 1967, so it is 58 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 18,100 vehicles a day, roughly 46% of them trucks, projected to reach 20,150 by 2046. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesI 57
CrossesStream
Location1 MI N Bonnie
RouteInterstate 57
Coordinates38.22383, -88.90598
Functional classRural Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length29 ft (8.7 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,100 (2024)
Projected traffic20,150 by 2046
Trucks46%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 57 over Stream built?

It was built in 1967, making it 58 years old in 2025.

What condition is I 57 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 February 2023.

How much traffic does I 57 over Stream carry?

About 18,100 vehicles per day (2024 count), of which roughly 46% are trucks.

How long is I 57 over Stream?

The structure is 29 ft (8.7 m) long with a longest span of 10 ft (3.2 m).

Who owns I 57 over Stream?

It is owned by the State Highway Agency.