US Bridges

Grand Ave over Silver Creek

Fair

Cook County, Illinois · 0.3 M W US 12 20 · Structure no. 016242200000000

Built
1930
95 years old, rebuilt 1963
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
24,200
2023 count
Owner
State
State Highway Agency

About this bridge

Grand Ave over Silver Creek is a concrete continuous culvert carrying Grand Ave over Silver Creek in Cook County, Illinois. It was built in 1930 and reconstructed in 1963, so it is 95 years old, older 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 24,200 vehicles a day, roughly 8% of them trucks, projected to reach 40,400 by 2046. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesGrand Ave
CrossesSilver Creek
Location0.3 M W US 12 20
CountyCook County
StateIllinois
Coordinates41.93045, -87.88996
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,200 (2023)
Projected traffic40,400 by 2046
Trucks8%
Lanes on structure4
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 Grand Ave over Silver Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1963.

What condition is Grand Ave over Silver Creek 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 May 2023.

How much traffic does Grand Ave over Silver Creek carry?

About 24,200 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Grand Ave over Silver Creek?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).

Who owns Grand Ave over Silver Creek?

It is owned by the State Highway Agency.