US Bridges

I-57 (sb) over UPRR & Decatur&estrn Ilr

Fair

Douglas County, Illinois · N Edge of Tuscola · Structure no. 021200900000000

Built
1969
56 years old, rebuilt 2001
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
220 ft
4 main spans
Daily traffic
11,050
2023 count
Owner
State
State Highway Agency

About this bridge

I-57 (sb) over UPRR & Decatur&estrn Ilr is a steel continuous stringer/multi-beam or girder carrying I-57 (sb) over UPRR & Decatur&estrn Ilr in Douglas County, Illinois. It was built in 1969 and reconstructed in 2001, so it is 56 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 6 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 11,050 vehicles a day, roughly 41% of them trucks, projected to reach 12,575 by 2046. The structure is 220 ft (67.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-57 (sb)
CrossesUPRR & Decatur&estrn Ilr
LocationN Edge of Tuscola
RouteInterstate 57
CountyDouglas County
StateIllinois
Coordinates39.79901, -88.2645
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating59.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length220 ft (67.1 m)
Longest span60 ft (18.4 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,050 (2023)
Projected traffic12,575 by 2046
Trucks41%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 (sb) over UPRR & Decatur&estrn Ilr built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2001.

What condition is I-57 (sb) over UPRR & Decatur&estrn Ilr 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 November 2023.

How much traffic does I-57 (sb) over UPRR & Decatur&estrn Ilr carry?

About 11,050 vehicles per day (2023 count), of which roughly 41% are trucks.

How long is I-57 (sb) over UPRR & Decatur&estrn Ilr?

The structure is 220 ft (67.1 m) long with a longest span of 60 ft (18.4 m) and a deck 43 ft wide.

Who owns I-57 (sb) over UPRR & Decatur&estrn Ilr?

It is owned by the State Highway Agency.