US Bridges

Karlov Avenue over Natalie Creek

Good

Cook County, Illinois · 0.12 MI N 147th ST · Structure no. 016764600000000

Built
2011
14 years old
Condition
Good
inspected October 2021
Type
Frame
Concrete
Length
32 ft
1 main span
Daily traffic
725
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Karlov Avenue over Natalie Creek is a concrete frame carrying Karlov Avenue over Natalie Creek in Cook County, Illinois. It was built in 2011, so it is 14 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 725 vehicles a day, roughly 16% of them trucks, projected to reach 934 by 2046. The structure is 32 ft (9.8 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKarlov Avenue
CrossesNatalie Creek
Location0.12 MI N 147th ST
RouteCity Street 0
CountyCook County
StateIllinois
Coordinates41.62741, -87.72022
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width65 ft (19.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic725 (2022)
Projected traffic934 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Karlov Avenue over Natalie Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Karlov Avenue over Natalie 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 October 2021.

How much traffic does Karlov Avenue over Natalie Creek carry?

About 725 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Karlov Avenue over Natalie Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 65 ft wide.

Who owns Karlov Avenue over Natalie Creek?

It is owned by the City or Municipal Highway Agency.