US Bridges

Ill 13 EB over Craborchard Lake

Poor

Williamson County, Illinois · 1.6 MI E Jackson CO · Structure no. 100002000000000

Built
1964
61 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
123 ft
3 main spans
Daily traffic
23,500
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 13 EB over Craborchard Lake is a steel continuous stringer/multi-beam or girder carrying Ill 13 EB over Craborchard Lake in Williamson County, Illinois. It was built in 1964, so it is 61 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 23,500 vehicles a day, roughly 5% of them trucks, projected to reach 10,757 by 2046. The structure is 123 ft (37.5 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIll 13 EB
CrossesCraborchard Lake
Location1.6 MI E Jackson CO
RouteState Highway 13
Coordinates37.74497, -89.12253
Functional classUrban Other Principal Arterial

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating41.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span47 ft (14.3 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,500 (2023)
Projected traffic10,757 by 2046
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 13 EB over Craborchard Lake built?

It was built in 1964, making it 61 years old in 2025.

What condition is Ill 13 EB over Craborchard Lake 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 April 2024.

How much traffic does Ill 13 EB over Craborchard Lake carry?

About 23,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ill 13 EB over Craborchard Lake?

The structure is 123 ft (37.5 m) long with a longest span of 47 ft (14.3 m) and a deck 42 ft wide.

Who owns Ill 13 EB over Craborchard Lake?

It is owned by the State Highway Agency.