US Bridges

Sterling Ave over I-74

Fair

Peoria County, Illinois · .5 MI W US 150 Inter · Structure no. 072019100000000

Built
2004
21 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
137 ft
2 main spans
Daily traffic
22,400
2022 count
Owner
State
State Highway Agency

About this bridge

Sterling Ave over I-74 is a prestressed concrete continuous stringer/multi-beam or girder carrying Sterling Ave over I-74 in Peoria County, Illinois. It was built in 2004, so it is 21 years old, younger 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 22,400 vehicles a day, roughly 2% of them trucks, projected to reach 22,725 by 2046. The structure is 137 ft (41.7 m) long and 148 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSterling Ave
CrossesI-74
Location.5 MI W US 150 Inter
CountyPeoria County
StateIllinois
Coordinates40.73758, -89.63183
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.6 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length137 ft (41.7 m)
Longest span67 ft (20.3 m)
Deck width148 ft (45.2 m)
Roadway width110 ft (33.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,400 (2022)
Projected traffic22,725 by 2046
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sterling Ave over I-74 built?

It was built in 2004, making it 21 years old in 2025.

What condition is Sterling Ave 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 January 2023.

How much traffic does Sterling Ave over I-74 carry?

About 22,400 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Sterling Ave over I-74?

The structure is 137 ft (41.7 m) long with a longest span of 67 ft (20.3 m) and a deck 148 ft wide.

Who owns Sterling Ave over I-74?

It is owned by the State Highway Agency.