US Bridges

Wheeler RD over Trimble Run

Poor

DeKalb County, Illinois · 3550N 140E · Structure no. 019400400000000

Built
1964
61 years old
Condition
Poor
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
175
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Wheeler RD over Trimble Run is a prestressed concrete box beam or girders - multiple carrying Wheeler RD over Trimble Run in DeKalb County, Illinois. It was built in 1964, so it is 61 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 175 vehicles a day, roughly 15% of them trucks, projected to reach 112 by 2046. The structure is 36 ft (11.1 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWheeler RD
CrossesTrimble Run
Location3550N 140E
RouteCounty Highway 0
Coordinates42.14519, -88.92004
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating19.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length36 ft (11.1 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2024)
Projected traffic112 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Wheeler RD over Trimble Run built?

It was built in 1964, making it 61 years old in 2025.

What condition is Wheeler RD over Trimble Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Wheeler RD over Trimble Run carry?

About 175 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Wheeler RD over Trimble Run?

The structure is 36 ft (11.1 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns Wheeler RD over Trimble Run?

It is owned by the Town or Township Highway Agency.