US Bridges

EB I-74 over Congerville Road

Fair

Woodford County, Illinois · 3.85 MI E of Ill 117 · Structure no. 102000300000000

Built
1964
61 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
116 ft
3 main spans
Daily traffic
14,200
2023 count
Owner
State
State Highway Agency

About this bridge

EB I-74 over Congerville Road is a concrete continuous slab carrying EB I-74 over Congerville Road in Woodford County, Illinois. It was built in 1964, so it is 61 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 5 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 14,200 vehicles a day, roughly 18% of them trucks, projected to reach 13,585 by 2046. The structure is 116 ft (35.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEB I-74
CrossesCongerville Road
Location3.85 MI E of Ill 117
RouteInterstate 74
CountyWoodford County
StateIllinois
Coordinates40.60981, -89.20298
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length116 ft (35.4 m)
Longest span44 ft (13.4 m)
Deck width44 ft (13.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,200 (2023)
Projected traffic13,585 by 2046
Trucks18%
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 EB I-74 over Congerville Road built?

It was built in 1964, making it 61 years old in 2025.

What condition is EB I-74 over Congerville Road 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 2023.

How much traffic does EB I-74 over Congerville Road carry?

About 14,200 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is EB I-74 over Congerville Road?

The structure is 116 ft (35.4 m) long with a longest span of 44 ft (13.4 m) and a deck 44 ft wide.

Who owns EB I-74 over Congerville Road?

It is owned by the State Highway Agency.