US Bridges

I-70 (eb) over FAS 1657

Fair

Cumberland County, Illinois · 4.4MI E Eff CO Line · Structure no. 018004000000000

Built
1969
56 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
101 ft
3 main spans
Daily traffic
11,550
2023 count
Owner
State
State Highway Agency

About this bridge

I-70 (eb) over FAS 1657 is a steel continuous stringer/multi-beam or girder carrying I-70 (eb) over FAS 1657 in Cumberland County, Illinois. It was built in 1969, 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 11,550 vehicles a day, roughly 61% of them trucks, projected to reach 13,520 by 2046. The structure is 101 ft (30.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-70 (eb)
CrossesFAS 1657
Location4.4MI E Eff CO Line
RouteInterstate 70
CountyCumberland County
StateIllinois
Coordinates39.20191, -88.29396
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length101 ft (30.8 m)
Longest span38 ft (11.6 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,550 (2023)
Projected traffic13,520 by 2046
Trucks61%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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-70 (eb) over FAS 1657 built?

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

What condition is I-70 (eb) over FAS 1657 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 February 2024.

How much traffic does I-70 (eb) over FAS 1657 carry?

About 11,550 vehicles per day (2023 count), of which roughly 61% are trucks.

How long is I-70 (eb) over FAS 1657?

The structure is 101 ft (30.8 m) long with a longest span of 38 ft (11.6 m) and a deck 42 ft wide.

Who owns I-70 (eb) over FAS 1657?

It is owned by the State Highway Agency.