US Bridges

TR 70 a over I-57

Fair

Coles County, Illinois · 2.0 MI E of US 45 · Structure no. 015004700000000

Built
1965
60 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
230 ft
4 main spans
Daily traffic
725
2024 count
Owner
State
State Highway Agency

About this bridge

TR 70 a over I-57 is a steel continuous stringer/multi-beam or girder carrying TR 70 a over I-57 in Coles County, Illinois. It was built in 1965, so it is 60 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 725 vehicles a day, roughly 4% of them trucks, projected to reach 725 by 2046. The structure is 230 ft (70.2 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 70 a
CrossesI-57
Location2.0 MI E of US 45
RouteCounty Highway 0
Coordinates39.44475, -88.35053
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.7 US tons
Inventory rating32.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length230 ft (70.2 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic725 (2024)
Projected traffic725 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 TR 70 a over I-57 built?

It was built in 1965, making it 60 years old in 2025.

What condition is TR 70 a over I-57 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 December 2024.

How much traffic does TR 70 a over I-57 carry?

About 725 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is TR 70 a over I-57?

The structure is 230 ft (70.2 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns TR 70 a over I-57?

It is owned by the State Highway Agency.