US Bridges

I-57 (nb) over Il 16 (fap 91)

Fair

Coles County, Illinois · E Mattoon · Structure no. 015000500000000

Built
1963
62 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
238 ft
4 main spans
Daily traffic
9,900
2023 count
Owner
State
State Highway Agency

About this bridge

I-57 (nb) over Il 16 (fap 91) is a steel continuous stringer/multi-beam or girder carrying I-57 (nb) over Il 16 (fap 91) in Coles County, Illinois. It was built in 1963, so it is 62 years old, older 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 5 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 9,900 vehicles a day, roughly 41% of them trucks, projected to reach 10,201 by 2046. The structure is 238 ft (72.4 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-57 (nb)
CrossesIl 16 (fap 91)
LocationE Mattoon
RouteInterstate 57
CountyColes County
StateIllinois
Coordinates39.48413, -88.32166
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length238 ft (72.4 m)
Longest span72 ft (21.9 m)
Deck width52 ft (15.7 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,900 (2023)
Projected traffic10,201 by 2046
Trucks41%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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 Il 16 (fap 91) built?

It was built in 1963, making it 62 years old in 2025.

What condition is I-57 (nb) over Il 16 (fap 91) 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 June 2024.

How much traffic does I-57 (nb) over Il 16 (fap 91) carry?

About 9,900 vehicles per day (2023 count), of which roughly 41% are trucks.

How long is I-57 (nb) over Il 16 (fap 91)?

The structure is 238 ft (72.4 m) long with a longest span of 72 ft (21.9 m) and a deck 52 ft wide.

Who owns I-57 (nb) over Il 16 (fap 91)?

It is owned by the State Highway Agency.