US Bridges

TR 8A over Drainage Ditch

Fair

Greene County, Illinois · 6.2 Mi. S. Eldred · Structure no. 031500100000000

Built
1901
124 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
10
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 8A over Drainage Ditch is a concrete culvert carrying TR 8A over Drainage Ditch in Greene County, Illinois. It was built in 1901, so it is 124 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 10 vehicles a day, roughly 30% of them trucks, projected to reach 10 by 2046. The structure is 28 ft (8.5 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 8A
CrossesDrainage Ditch
Location6.2 Mi. S. Eldred
RouteCounty Highway 0
CountyGreene County
StateIllinois
Coordinates39.19383, -90.56619
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span9 ft (2.6 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2046
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 8A over Drainage Ditch built?

It was built in 1901, making it 124 years old in 2025.

What condition is TR 8A 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 August 2024.

How much traffic does TR 8A over Drainage Ditch carry?

About 10 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is TR 8A over Drainage Ditch?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.6 m) and a deck 36 ft wide.

Who owns TR 8A over Drainage Ditch?

It is owned by the Town or Township Highway Agency.