US Bridges

TR 56 over Ten Mile Creek

Poor

De Witt County, Illinois · 2.2 MI NE of Kenny · Structure no. 020315000000000

Built
1986
39 years old
Condition
Poor
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
131 ft
3 main spans
Daily traffic
75
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 56 over Ten Mile Creek is a prestressed concrete box beam or girders - multiple carrying TR 56 over Ten Mile Creek in De Witt County, Illinois. It was built in 1986, so it is 39 years old, younger 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 3 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 75 vehicles a day, roughly 15% of them trucks, projected to reach 101 by 2046. The structure is 131 ft (39.9 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 56
CrossesTen Mile Creek
Location2.2 MI NE of Kenny
RouteCounty Highway 0
Coordinates40.12005, -89.05689
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.4 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span43 ft (13.1 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic101 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 TR 56 over Ten Mile Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is TR 56 over Ten Mile Creek 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 October 2023.

How much traffic does TR 56 over Ten Mile Creek carry?

About 75 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is TR 56 over Ten Mile Creek?

The structure is 131 ft (39.9 m) long with a longest span of 43 ft (13.1 m) and a deck 27 ft wide.

Who owns TR 56 over Ten Mile Creek?

It is owned by the Town or Township Highway Agency.