US Bridges

Forrest Hill Ave over I-74

Fair

Peoria County, Illinois · 3/8 MI N Gale Inter · Structure no. 072019600000000

Built
2003
22 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
174 ft
2 main spans
Daily traffic
12,200
2022 count
Owner
State
State Highway Agency

About this bridge

Forrest Hill Ave over I-74 is a prestressed concrete continuous stringer/multi-beam or girder carrying Forrest Hill Ave over I-74 in Peoria County, Illinois. It was built in 2003, so it is 22 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 12,200 vehicles a day, roughly 3% of them trucks, projected to reach 14,241 by 2046. The structure is 174 ft (53.1 m) long and 73 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesForrest Hill Ave
CrossesI-74
Location3/8 MI N Gale Inter
CountyPeoria County
StateIllinois
Coordinates40.72526, -89.61982
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87.5 US tons
Inventory rating54.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length174 ft (53.1 m)
Longest span92 ft (27.9 m)
Deck width73 ft (22.2 m)
Roadway width61 ft (18.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,200 (2022)
Projected traffic14,241 by 2046
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Forrest Hill Ave over I-74 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Forrest Hill 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 September 2023.

How much traffic does Forrest Hill Ave over I-74 carry?

About 12,200 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Forrest Hill Ave over I-74?

The structure is 174 ft (53.1 m) long with a longest span of 92 ft (27.9 m) and a deck 73 ft wide.

Who owns Forrest Hill Ave over I-74?

It is owned by the State Highway Agency.