US Bridges

I-57NB to Morgan a over Il 13 EB to I-57 NB

Good

Williamson County, Illinois · S of Ncl Marion · Structure no. 100009800000000

Built
2015
10 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
177 ft
3 main spans
Daily traffic
800
2023 count
Owner
State
State Highway Agency

About this bridge

I-57NB to Morgan a over Il 13 EB to I-57 NB is a steel continuous stringer/multi-beam or girder carrying I-57NB to Morgan a over Il 13 EB to I-57 NB in Williamson County, Illinois. It was built in 2015, so it is 10 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 800 vehicles a day, roughly 27% of them trucks, projected to reach 909 by 2046. The structure is 177 ft (54.1 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesI-57NB to Morgan a
CrossesIl 13 EB to I-57 NB
LocationS of Ncl Marion
CountyWilliamson County
StateIllinois
Coordinates37.74255, -88.95655
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.3 US tons
Inventory rating80.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length177 ft (54.1 m)
Longest span64 ft (19.6 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic909 by 2046
Trucks27%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-57NB to Morgan a over Il 13 EB to I-57 NB built?

It was built in 2015, making it 10 years old in 2025.

What condition is I-57NB to Morgan a over Il 13 EB to I-57 NB 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 October 2023.

How much traffic does I-57NB to Morgan a over Il 13 EB to I-57 NB carry?

About 800 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is I-57NB to Morgan a over Il 13 EB to I-57 NB?

The structure is 177 ft (54.1 m) long with a longest span of 64 ft (19.6 m) and a deck 31 ft wide.

Who owns I-57NB to Morgan a over Il 13 EB to I-57 NB?

It is owned by the State Highway Agency.