US Bridges

TR 16 a over Drainage Ditch

Good

Champaign County, Illinois · 2 MI SW Mahomet · Structure no. 010445800000000

Built
1997
28 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
300
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

TR 16 a over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying TR 16 a over Drainage Ditch in Champaign County, Illinois. It was built in 1997, so it is 28 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 300 vehicles a day, roughly 2% of them trucks, projected to reach 303 by 2046. The structure is 35 ft (10.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 16 a
CrossesDrainage Ditch
Location2 MI SW Mahomet
RouteCity Street 0
Coordinates40.16505, -88.43802
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to 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 length35 ft (10.8 m)
Longest span33 ft (10.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2021)
Projected traffic303 by 2046
Trucks2%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 16 a over Drainage Ditch built?

It was built in 1997, making it 28 years old in 2025.

What condition is TR 16 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 January 2024.

How much traffic does TR 16 a over Drainage Ditch carry?

About 300 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is TR 16 a over Drainage Ditch?

The structure is 35 ft (10.8 m) long with a longest span of 33 ft (10.1 m) and a deck 28 ft wide.

Who owns TR 16 a over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.