US Bridges

Il 140 over E Fork Silver Creek

Good

Madison County, Illinois · 0.5MI E of Il 160 · Structure no. 060204700000000

Built
2012
13 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

Il 140 over E Fork Silver Creek is a concrete continuous culvert carrying Il 140 over E Fork Silver Creek in Madison County, Illinois. It was built in 2012, so it is 13 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 1,700 vehicles a day, roughly 11% of them trucks, projected to reach 1,926 by 2046. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 36 mi (58 km).

CarriesIl 140
CrossesE Fork Silver Creek
Location0.5MI E of Il 160
RouteState Highway 140
Coordinates38.88853, -89.6623
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic1,926 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 140 over E Fork Silver Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Il 140 over E Fork Silver Creek 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 April 2024.

How much traffic does Il 140 over E Fork Silver Creek carry?

About 1,700 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Il 140 over E Fork Silver Creek?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (4 m).

Who owns Il 140 over E Fork Silver Creek?

It is owned by the State Highway Agency.