US Bridges

FAI 74 over Ditch

Good

McLean County, Illinois · W of Carlock · Structure no. 057853900000000

Built
1966
59 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
28,400
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 74 over Ditch is a concrete culvert carrying FAI 74 over Ditch in McLean County, Illinois. It was built in 1966, so it is 59 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 28,400 vehicles a day, roughly 18% of them trucks, projected to reach 27,371 by 2046. The structure is 30 ft (9.1 m) long.

CarriesFAI 74
CrossesDitch
LocationW of Carlock
RouteInterstate 74
Coordinates40.58363, -89.14341
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,400 (2023)
Projected traffic27,371 by 2046
Trucks18%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 FAI 74 over Ditch built?

It was built in 1966, making it 59 years old in 2025.

What condition is FAI 74 over 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 May 2024.

How much traffic does FAI 74 over Ditch carry?

About 28,400 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is FAI 74 over Ditch?

The structure is 30 ft (9.1 m) long with a longest span of 7 ft (2.1 m).

Who owns FAI 74 over Ditch?

It is owned by the State Highway Agency.