US Bridges

I-57 NB over Norfolk & Southern RR

Good

Jefferson County, Illinois · 0.25 N of Dix Int · Structure no. 041011700000000

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
222 ft
3 main spans
Daily traffic
10,500
2024 count
Owner
State
State Highway Agency

About this bridge

I-57 NB over Norfolk & Southern RR is a steel continuous stringer/multi-beam or girder carrying I-57 NB over Norfolk & Southern RR in Jefferson County, Illinois. It was built in 2023, so it is 2 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 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 10,500 vehicles a day, roughly 43% of them trucks, projected to reach 16,200 by 2047. The structure is 222 ft (67.7 m) long and 45 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesI-57 NB
CrossesNorfolk & Southern RR
Location0.25 N of Dix Int
RouteInterstate 57
Coordinates38.44321, -88.95342
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
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length222 ft (67.7 m)
Longest span97 ft (29.7 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2024)
Projected traffic16,200 by 2047
Trucks43%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-57 NB over Norfolk & Southern RR built?

It was built in 2023, making it 2 years old in 2025.

What condition is I-57 NB over Norfolk & Southern RR 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 November 2023.

How much traffic does I-57 NB over Norfolk & Southern RR carry?

About 10,500 vehicles per day (2024 count), of which roughly 43% are trucks.

How long is I-57 NB over Norfolk & Southern RR?

The structure is 222 ft (67.7 m) long with a longest span of 97 ft (29.7 m) and a deck 45 ft wide.

Who owns I-57 NB over Norfolk & Southern RR?

It is owned by the State Highway Agency.