US Bridges

TR 151 over Coon Creek

PoorClosed to traffic

De Witt County, Illinois · 1.5 MI E Clinton · Structure no. 020306300000000

Built
1966
59 years old
Condition
Poor
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
2 main spans
Daily traffic
350
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 151 over Coon Creek is a prestressed concrete box beam or girders - multiple carrying TR 151 over Coon Creek in De Witt County, Illinois. It was built in 1966, so it is 59 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 2 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. Its operating status is: closed to all traffic.

It carries about 350 vehicles a day, roughly 7% of them trucks, projected to reach 404 by 2046. The structure is 65 ft (19.8 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 151
CrossesCoon Creek
Location1.5 MI E Clinton
RouteCounty Highway 0
Coordinates40.15438, -88.92835
Functional classRural Minor Collector

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
Deck2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 15
Structure length65 ft (19.8 m)
Longest span31 ft (9.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic404 by 2046
Trucks7%
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 TR 151 over Coon Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is TR 151 over Coon 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 November 2022.

How much traffic does TR 151 over Coon Creek carry?

About 350 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is TR 151 over Coon Creek?

The structure is 65 ft (19.8 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns TR 151 over Coon Creek?

It is owned by the Town or Township Highway Agency.