US Bridges

Il 15 EB over Icrr

Good

St. Clair County, Illinois · 1.3 MI E of Il 159 · Structure no. 082011700000000

Built
2015
10 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
352 ft
2 main spans
Daily traffic
12,500
2023 count
Owner
State
State Highway Agency

About this bridge

Il 15 EB over Icrr is a steel continuous stringer/multi-beam or girder carrying Il 15 EB over Icrr in St. Clair County, Illinois. It was built in 2015, so it is 10 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,500 vehicles a day, roughly 10% of them trucks, projected to reach 6,010 by 2046. The structure is 352 ft (107.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIl 15 EB
CrossesIcrr
Location1.3 MI E of Il 159
RouteState Highway 15
Coordinates38.49101, -89.96085
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating55 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length352 ft (107.2 m)
Longest span201 ft (61.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2023)
Projected traffic6,010 by 2046
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 15 EB over Icrr built?

It was built in 2015, making it 10 years old in 2025.

What condition is Il 15 EB over Icrr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Il 15 EB over Icrr carry?

About 12,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Il 15 EB over Icrr?

The structure is 352 ft (107.2 m) long with a longest span of 201 ft (61.3 m) and a deck 43 ft wide.

Who owns Il 15 EB over Icrr?

It is owned by the State Highway Agency.