US Bridges

I-74(EB) over Il 47

Fair

Champaign County, Illinois · NE of Mahomet · Structure no. 010001500000000

Built
1966
59 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
153 ft
2 main spans
Daily traffic
14,400
2023 count
Owner
State
State Highway Agency

About this bridge

I-74(EB) over Il 47 is a steel continuous stringer/multi-beam or girder carrying I-74(EB) over Il 47 in Champaign 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 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 14,400 vehicles a day, roughly 27% of them trucks, projected to reach 15,605 by 2046. The structure is 153 ft (46.7 m) long and 42 ft wide.

Location

Open in Google Maps
CarriesI-74(EB)
CrossesIl 47
LocationNE of Mahomet
RouteInterstate 74
CountyChampaign County
StateIllinois
Coordinates40.19839, -88.39763
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length153 ft (46.7 m)
Longest span57 ft (17.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,400 (2023)
Projected traffic15,605 by 2046
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-74(EB) over Il 47 built?

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

What condition is I-74(EB) over Il 47 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 July 2024.

How much traffic does I-74(EB) over Il 47 carry?

About 14,400 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is I-74(EB) over Il 47?

The structure is 153 ft (46.7 m) long with a longest span of 57 ft (17.4 m) and a deck 42 ft wide.

Who owns I-74(EB) over Il 47?

It is owned by the State Highway Agency.