US Bridges

Ill 3 over Worthen Bayou

Poor

Jackson County, Illinois · 1.2 MI S of Ill 149 · Structure no. 039002600000000

Built
1958
67 years old
Condition
Poor
inspected February 2025
Type
Tee Beam
Concrete Continuous
Length
144 ft
3 main spans
Daily traffic
900
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 3 over Worthen Bayou is a concrete continuous tee beam carrying Ill 3 over Worthen Bayou in Jackson County, Illinois. It was built in 1958, so it is 67 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 4 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 900 vehicles a day, roughly 18% of them trucks, projected to reach 1,061 by 2046. The structure is 144 ft (44 m) long and 36 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesIll 3
CrossesWorthen Bayou
Location1.2 MI S of Ill 149
RouteState Highway 3
Coordinates37.73974, -89.46345
Functional classRural Principal Arterial - Other

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (44 m)
Longest span54 ft (16.6 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2023)
Projected traffic1,061 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemYes

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 Ill 3 over Worthen Bayou built?

It was built in 1958, making it 67 years old in 2025.

What condition is Ill 3 over Worthen Bayou 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 February 2025.

How much traffic does Ill 3 over Worthen Bayou carry?

About 900 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Ill 3 over Worthen Bayou?

The structure is 144 ft (44 m) long with a longest span of 54 ft (16.6 m) and a deck 36 ft wide.

Who owns Ill 3 over Worthen Bayou?

It is owned by the State Highway Agency.