US Bridges

Ch 4 over I-72

Fair

Pike County, Illinois · Barry Interchange · Structure no. 075010300000000

Built
1989
36 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
244 ft
2 main spans
Daily traffic
600
2023 count
Owner
State
State Highway Agency

About this bridge

Ch 4 over I-72 is a steel continuous stringer/multi-beam or girder carrying Ch 4 over I-72 in Pike County, Illinois. It was built in 1989, so it is 36 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 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 600 vehicles a day, roughly 10% of them trucks, projected to reach 754 by 2046. The structure is 244 ft (74.5 m) long and 65 ft wide.

CarriesCh 4
CrossesI-72
LocationBarry Interchange
RouteCounty Highway 0
Coordinates39.70479, -91.03917
Functional classRural Major Collector

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length244 ft (74.5 m)
Longest span96 ft (29.4 m)
Deck width65 ft (19.9 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic754 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 Ch 4 over I-72 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Ch 4 over I-72 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 November 2024.

How much traffic does Ch 4 over I-72 carry?

About 600 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ch 4 over I-72?

The structure is 244 ft (74.5 m) long with a longest span of 96 ft (29.4 m) and a deck 65 ft wide.

Who owns Ch 4 over I-72?

It is owned by the State Highway Agency.