US Bridges

Ebl of Ill 18 over Vermilion River

Poor

LaSalle County, Illinois · 2 Blks. W of Ill 23 · Structure no. 050800000000000

Built
1900
125 years old, rebuilt 1972
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
237 ft
3 main spans
Daily traffic
3,250
2023 count
Owner
State
State Highway Agency

About this bridge

Ebl of Ill 18 over Vermilion River is a steel continuous stringer/multi-beam or girder carrying Ebl of Ill 18 over Vermilion River in LaSalle County, Illinois. It was built in 1900 and reconstructed in 1972, so it is 125 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 3,250 vehicles a day, roughly 10% of them trucks, projected to reach 3,535 by 2046. The structure is 237 ft (72.2 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEbl of Ill 18
CrossesVermilion River
Location2 Blks. W of Ill 23
RouteState Highway 18
Coordinates41.11902, -88.83874
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.1 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length237 ft (72.2 m)
Longest span77 ft (23.5 m)
Deck width37 ft (11.3 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2023)
Projected traffic3,535 by 2046
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Ebl of Ill 18 over Vermilion River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1972.

What condition is Ebl of Ill 18 over Vermilion River 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 2024.

How much traffic does Ebl of Ill 18 over Vermilion River carry?

About 3,250 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ebl of Ill 18 over Vermilion River?

The structure is 237 ft (72.2 m) long with a longest span of 77 ft (23.5 m) and a deck 37 ft wide.

Who owns Ebl of Ill 18 over Vermilion River?

It is owned by the State Highway Agency.