US Bridges

Koerner ROAD(CH47R over I-74

Poor

Peoria County, Illinois · 2 MI W of Peoria · Structure no. 072005900000000

Built
1963
62 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
225 ft
4 main spans
Daily traffic
2,300
2022 count
Owner
State
State Highway Agency

About this bridge

Koerner ROAD(CH47R over I-74 is a steel continuous stringer/multi-beam or girder carrying Koerner ROAD(CH47R over I-74 in Peoria County, Illinois. It was built in 1963, so it is 62 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,300 vehicles a day, roughly 5% of them trucks, projected to reach 2,020 by 2046. The structure is 225 ft (68.6 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKoerner ROAD(CH47R
CrossesI-74
Location2 MI W of Peoria
RouteCounty Highway 0
CountyPeoria County
StateIllinois
Coordinates40.74794, -89.68736
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating32.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length225 ft (68.6 m)
Longest span68 ft (20.7 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2022)
Projected traffic2,020 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Koerner ROAD(CH47R over I-74 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Koerner ROAD(CH47R over I-74 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Koerner ROAD(CH47R over I-74 carry?

About 2,300 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Koerner ROAD(CH47R over I-74?

The structure is 225 ft (68.6 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.

Who owns Koerner ROAD(CH47R over I-74?

It is owned by the State Highway Agency.