US Bridges

Shabbona Grove RD over Little Indian Creek

Fair

DeKalb County, Illinois · 700N 740E · Structure no. 019530400000000

Built
1955
70 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
275
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Shabbona Grove RD over Little Indian Creek is a concrete slab carrying Shabbona Grove RD over Little Indian Creek in DeKalb County, Illinois. It was built in 1955, so it is 70 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 275 vehicles a day, roughly 51% of them trucks, projected to reach 308 by 2046. The structure is 35 ft (10.7 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesShabbona Grove RD
CrossesLittle Indian Creek
Location700N 740E
RouteCounty Highway 0
CountyDeKalb County
StateIllinois
Coordinates41.73227, -88.80486
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum 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 rating51.5 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2021)
Projected traffic308 by 2046
Trucks51%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Shabbona Grove RD over Little Indian Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Shabbona Grove RD over Little Indian 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 March 2023.

How much traffic does Shabbona Grove RD over Little Indian Creek carry?

About 275 vehicles per day (2021 count), of which roughly 51% are trucks.

How long is Shabbona Grove RD over Little Indian Creek?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns Shabbona Grove RD over Little Indian Creek?

It is owned by the Town or Township Highway Agency.