US Bridges

Thompson Road over Br Kishwaukee River

Fair

DeKalb County, Illinois · 2550N 1055E · Structure no. 019440800000000

Built
1995
30 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel
Length
28 ft
2 main spans
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Thompson Road over Br Kishwaukee River is a steel culvert carrying Thompson Road over Br Kishwaukee River in DeKalb County, Illinois. It was built in 1995, so it is 30 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 50 vehicles a day, projected to reach 56 by 2046. The structure is 28 ft (8.5 m) long.

CarriesThompson Road
CrossesBr Kishwaukee River
Location2550N 1055E
RouteCounty Highway 0
Coordinates42.0018, -88.74263
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 15
Structure length28 ft (8.5 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic56 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Thompson Road over Br Kishwaukee River built?

It was built in 1995, making it 30 years old in 2025.

What condition is Thompson Road over Br Kishwaukee River 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 January 2024.

How much traffic does Thompson Road over Br Kishwaukee River carry?

About 50 vehicles per day (2021 count).

How long is Thompson Road over Br Kishwaukee River?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.8 m).

Who owns Thompson Road over Br Kishwaukee River?

It is owned by the Town or Township Highway Agency.