US Bridges

Macon TR 1 a over Drainage Ditch

Good

De Witt County, Illinois · 4.6 MI S of Lane · Structure no. 020301000000000

Built
1941
84 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
75
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Macon TR 1 a over Drainage Ditch is a concrete culvert carrying Macon TR 1 a over Drainage Ditch in De Witt County, Illinois. It was built in 1941, so it is 84 years old, older 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 7% of them trucks, projected to reach 76 by 2046. The structure is 39 ft (11.9 m) long and 26 ft wide.

CarriesMacon TR 1 a
CrossesDrainage Ditch
Location4.6 MI S of Lane
RouteCounty Highway 0
Coordinates40.05431, -88.85919
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 inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic76 by 2046
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Macon TR 1 a over Drainage Ditch built?

It was built in 1941, making it 84 years old in 2025.

What condition is Macon TR 1 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 December 2022.

How much traffic does Macon TR 1 a over Drainage Ditch carry?

About 75 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Macon TR 1 a over Drainage Ditch?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Macon TR 1 a over Drainage Ditch?

It is owned by the Town or Township Highway Agency.