US Bridges

TR 178 over Drainage Ditch

Fair

Piatt County, Illinois · 1.0 MI S Ivesdale · Structure no. 074312400000000

Built
1966
59 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
104 ft
3 main spans
Daily traffic
25
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 178 over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying TR 178 over Drainage Ditch in Piatt 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 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 25 vehicles a day, roughly 4% of them trucks, projected to reach 25 by 2046. The structure is 104 ft (31.7 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesTR 178
CrossesDrainage Ditch
Location1.0 MI S Ivesdale
RouteCounty Highway 0
CountyPiatt County
StateIllinois
Coordinates39.93964, -88.48134
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating23.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length104 ft (31.7 m)
Longest span34 ft (10.4 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2020)
Projected traffic25 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 178 over Drainage Ditch built?

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

What condition is TR 178 over Drainage 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 178 over Drainage Ditch carry?

About 25 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is TR 178 over Drainage Ditch?

The structure is 104 ft (31.7 m) long with a longest span of 34 ft (10.4 m) and a deck 24 ft wide.

Who owns TR 178 over Drainage Ditch?

It is owned by the Town or Township Highway Agency.