US Bridges

Chicago RD over Br Little Indian CR

Good

DeKalb County, Illinois · 1170 E 550 N · Structure no. 019307100000000

Built
2007
18 years old
Condition
Good
inspected November 2024
Type
Culvert
Steel
Length
24 ft
4 main spans
Daily traffic
1,550
2021 count
Owner
County
County Highway Agency

About this bridge

Chicago RD over Br Little Indian CR is a steel culvert carrying Chicago RD over Br Little Indian CR in DeKalb 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 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 1,550 vehicles a day, roughly 12% of them trucks, projected to reach 1,736 by 2046. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesChicago RD
CrossesBr Little Indian CR
Location1170 E 550 N
RouteCounty Highway 0
CountyDeKalb County
StateIllinois
Coordinates41.71049, -88.71861
Functional classRural Major Collector

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 inspectionNovember 2024
Inspection intervalevery 24 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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2021)
Projected traffic1,736 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Chicago RD over Br Little Indian CR built?

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

What condition is Chicago RD over Br Little Indian CR 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 November 2024.

How much traffic does Chicago RD over Br Little Indian CR carry?

About 1,550 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Chicago RD over Br Little Indian CR?

The structure is 24 ft (7.4 m) long with a longest span of 5 ft (1.5 m).

Who owns Chicago RD over Br Little Indian CR?

It is owned by the County Highway Agency.