US Bridges

TR 175 over Drainage Ditch

Fair

De Witt County, Illinois · 3 MI SE of Dewitt · Structure no. 020318100000000

Built
1999
26 years old
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
25
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 175 over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying TR 175 over Drainage Ditch in De Witt County, Illinois. It was built in 1999, so it is 26 years old, younger 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 16% of them trucks, projected to reach 25 by 2046. The structure is 60 ft (18.4 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 175
CrossesDrainage Ditch
Location3 MI SE of Dewitt
RouteCounty Highway 0
Coordinates40.14247, -88.72669
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length60 ft (18.4 m)
Longest span57 ft (17.5 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2046
Trucks16%
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 175 over Drainage Ditch built?

It was built in 1999, making it 26 years old in 2025.

What condition is TR 175 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 January 2023.

How much traffic does TR 175 over Drainage Ditch carry?

About 25 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is TR 175 over Drainage Ditch?

The structure is 60 ft (18.4 m) long with a longest span of 57 ft (17.5 m) and a deck 27 ft wide.

Who owns TR 175 over Drainage Ditch?

It is owned by the Town or Township Highway Agency.