US Bridges

I 24 EB over New Columbia Ditch

Good

Massac County, Illinois · 2 MI S Johnson C L · Structure no. 064001500000000

Built
1971
54 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
92 ft
2 main spans
Daily traffic
10,250
2024 count
Owner
State
State Highway Agency

About this bridge

I 24 EB over New Columbia Ditch is a prestressed concrete continuous stringer/multi-beam or girder carrying I 24 EB over New Columbia Ditch in Massac County, Illinois. It was built in 1971, so it is 54 years old, older 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 10,250 vehicles a day, roughly 41% of them trucks, projected to reach 10,605 by 2046. The structure is 92 ft (28.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 24 EB
CrossesNew Columbia Ditch
Location2 MI S Johnson C L
RouteInterstate 24
Coordinates37.30156, -88.75362
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length92 ft (28.1 m)
Longest span43 ft (13 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,250 (2024)
Projected traffic10,605 by 2046
Trucks41%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 24 EB over New Columbia Ditch built?

It was built in 1971, making it 54 years old in 2025.

What condition is I 24 EB over New Columbia Ditch 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 February 2025.

How much traffic does I 24 EB over New Columbia Ditch carry?

About 10,250 vehicles per day (2024 count), of which roughly 41% are trucks.

How long is I 24 EB over New Columbia Ditch?

The structure is 92 ft (28.1 m) long with a longest span of 43 ft (13 m) and a deck 42 ft wide.

Who owns I 24 EB over New Columbia Ditch?

It is owned by the State Highway Agency.