US Bridges

TR 152 over Walnut Ditch

Poor

Bureau County, Illinois · 1 MI W of Walnut · Structure no. 006431800000000

Built
1965
60 years old
Condition
Poor
inspected November 2023
Type
Channel Beam
Concrete
Length
62 ft
3 main spans
Daily traffic
50
2012 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 152 over Walnut Ditch is a concrete channel beam carrying TR 152 over Walnut Ditch in Bureau County, Illinois. It was built in 1965, so it is 60 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. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 50 vehicles a day, roughly 8% of them trucks, projected to reach 51 by 2046. The structure is 62 ft (18.9 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesTR 152
CrossesWalnut Ditch
Location1 MI W of Walnut
RouteCounty Highway 0
Coordinates41.55671, -89.61822
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating25.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length62 ft (18.9 m)
Longest span20 ft (6.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2012)
Projected traffic51 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 152 over Walnut Ditch built?

It was built in 1965, making it 60 years old in 2025.

What condition is TR 152 over Walnut Ditch 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 2023.

How much traffic does TR 152 over Walnut Ditch carry?

About 50 vehicles per day (2012 count), of which roughly 8% are trucks.

How long is TR 152 over Walnut Ditch?

The structure is 62 ft (18.9 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns TR 152 over Walnut Ditch?

It is owned by the Town or Township Highway Agency.