US Bridges

TR 41 over Walnut Ditch

Fair

Bureau County, Illinois · 0.5 MI S of Walnut · Structure no. 006432200000000

Built
1967
58 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
49 ft
3 main spans
Daily traffic
200
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 41 over Walnut Ditch is a concrete channel beam carrying TR 41 over Walnut Ditch in Bureau County, Illinois. It was built in 1967, so it is 58 years old, older 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 5 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 202 by 2046. The structure is 49 ft (14.9 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 41
CrossesWalnut Ditch
Location0.5 MI S of Walnut
RouteCounty Highway 0
CountyBureau County
StateIllinois
Coordinates41.54694, -89.59208
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating25.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length49 ft (14.9 m)
Longest span16 ft (4.9 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic202 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 41 over Walnut Ditch built?

It was built in 1967, making it 58 years old in 2025.

What condition is TR 41 over Walnut Ditch 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 November 2023.

How much traffic does TR 41 over Walnut Ditch carry?

About 200 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is TR 41 over Walnut Ditch?

The structure is 49 ft (14.9 m) long with a longest span of 16 ft (4.9 m) and a deck 26 ft wide.

Who owns TR 41 over Walnut Ditch?

It is owned by the Town or Township Highway Agency.