US Bridges

TR 79 over Drainage Ditch

Good

Piatt County, Illinois · N Edge Lodge Park · Structure no. 074326900000000

Built
1995
30 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
75
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 79 over Drainage Ditch is a concrete culvert carrying TR 79 over Drainage Ditch in Piatt County, Illinois. It was built in 1995, so it is 30 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 1% of them trucks, projected to reach 76 by 2046. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 79
CrossesDrainage Ditch
LocationN Edge Lodge Park
RouteCounty Highway 0
Coordinates40.07719, -88.56651
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: 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

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic76 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 79 over Drainage Ditch built?

It was built in 1995, making it 30 years old in 2025.

What condition is TR 79 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 January 2022.

How much traffic does TR 79 over Drainage Ditch carry?

About 75 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is TR 79 over Drainage Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns TR 79 over Drainage Ditch?

It is owned by the Town or Township Highway Agency.