US Bridges

TR 4 over Drainage Ditch

Good

Wabash County, Illinois · 4.5 MI W Keensburg · Structure no. 093500500000000

Built
2011
14 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
50
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 4 over Drainage Ditch is a concrete culvert carrying TR 4 over Drainage Ditch in Wabash County, Illinois. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 8% of them trucks, projected to reach 51 by 2046. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 4
CrossesDrainage Ditch
Location4.5 MI W Keensburg
RouteCounty Highway 0
Coordinates38.35943, -87.95464
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
Deck8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior 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
DeckAluminum
Main spans1
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic51 by 2046
Trucks8%
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 4 over Drainage Ditch built?

It was built in 2011, making it 14 years old in 2025.

What condition is TR 4 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 February 2025.

How much traffic does TR 4 over Drainage Ditch carry?

About 50 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is TR 4 over Drainage Ditch?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m).

Who owns TR 4 over Drainage Ditch?

It is owned by the Town or Township Highway Agency.