US Bridges

TR 61 a over Drainage Ditch

Good

Edgar County, Illinois · 3 MI E of Scottland · Structure no. 023491200000000

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
75
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 61 a over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying TR 61 a over Drainage Ditch in Edgar County, Illinois. It was built in 1993, so it is 32 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, roughly 3% of them trucks, projected to reach 76 by 2046. The structure is 31 ft (9.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 61 a
CrossesDrainage Ditch
Location3 MI E of Scottland
RouteCounty Highway 0
Coordinates39.81064, -87.54758
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than 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 length31 ft (9.6 m)
Longest span29 ft (8.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2019)
Projected traffic76 by 2046
Trucks3%
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 61 a over Drainage Ditch built?

It was built in 1993, making it 32 years old in 2025.

What condition is TR 61 a over Drainage Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does TR 61 a over Drainage Ditch carry?

About 75 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is TR 61 a over Drainage Ditch?

The structure is 31 ft (9.6 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.

Who owns TR 61 a over Drainage Ditch?

It is owned by the Town or Township Highway Agency.