US Bridges

Ch 50(FAS 1521) over I-74

Fair

Champaign County, Illinois · E of Mahomet · Structure no. 010015900000000

Built
1966
59 years old, rebuilt 2003
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
251 ft
4 main spans
Daily traffic
8,850
2024 count
Owner
State
State Highway Agency

About this bridge

Ch 50(FAS 1521) over I-74 is a steel continuous stringer/multi-beam or girder carrying Ch 50(FAS 1521) over I-74 in Champaign County, Illinois. It was built in 1966 and reconstructed in 2003, 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 8,850 vehicles a day, roughly 6% of them trucks, projected to reach 5,909 by 2046. The structure is 251 ft (76.6 m) long and 60 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCh 50(FAS 1521)
CrossesI-74
LocationE of Mahomet
RouteCounty Highway 0
CountyChampaign County
StateIllinois
Coordinates40.18779, -88.36531
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.1 US tons
Inventory rating58.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length251 ft (76.6 m)
Longest span77 ft (23.4 m)
Deck width60 ft (18.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,850 (2024)
Projected traffic5,909 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ch 50(FAS 1521) over I-74 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2003.

What condition is Ch 50(FAS 1521) over I-74 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 August 2023.

How much traffic does Ch 50(FAS 1521) over I-74 carry?

About 8,850 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Ch 50(FAS 1521) over I-74?

The structure is 251 ft (76.6 m) long with a longest span of 77 ft (23.4 m) and a deck 60 ft wide.

Who owns Ch 50(FAS 1521) over I-74?

It is owned by the State Highway Agency.