US Bridges

US 24 over Drainage Ditch

Fair

Iroquois County, Illinois · 2.1 Miles E of US 45 · Structure no. 038003200000000

Built
1954
71 years old, rebuilt 1996
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
108 ft
3 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

US 24 over Drainage Ditch is a steel continuous stringer/multi-beam or girder carrying US 24 over Drainage Ditch in Iroquois County, Illinois. It was built in 1954 and reconstructed in 1996, so it is 71 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 2,900 vehicles a day, roughly 23% of them trucks, projected to reach 2,929 by 2046. The structure is 108 ft (32.8 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 24
CrossesDrainage Ditch
Location2.1 Miles E of US 45
RouteU.S. Route 24
Coordinates40.76784, -87.93808
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length108 ft (32.8 m)
Longest span38 ft (11.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic2,929 by 2046
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 US 24 over Drainage Ditch built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1996.

What condition is US 24 over Drainage Ditch 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 January 2023.

How much traffic does US 24 over Drainage Ditch carry?

About 2,900 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is US 24 over Drainage Ditch?

The structure is 108 ft (32.8 m) long with a longest span of 38 ft (11.7 m) and a deck 43 ft wide.

Who owns US 24 over Drainage Ditch?

It is owned by the State Highway Agency.