US Bridges

Il 140 over Little Silver CR Br

Fair

Bond County, Illinois · 3.1MI E of Il 160 · Structure no. 003201300000000

Built
2007
18 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

Il 140 over Little Silver CR Br is a concrete culvert carrying Il 140 over Little Silver CR Br in Bond County, Illinois. It was built in 2007, so it is 18 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,600 vehicles a day, roughly 12% of them trucks, projected to reach 1,566 by 2046. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIl 140
CrossesLittle Silver CR Br
Location3.1MI E of Il 160
RouteState Highway 140
Coordinates38.8891, -89.60551
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic1,566 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Little Silver CR Br built?

It was built in 2007, making it 18 years old in 2025.

What condition is Il 140 over Little Silver CR Br in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Il 140 over Little Silver CR Br carry?

About 1,600 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Il 140 over Little Silver CR Br?

The structure is 28 ft (8.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Il 140 over Little Silver CR Br?

It is owned by the State Highway Agency.