US Bridges

TR 45 over Big Ditch

Good

Champaign County, Illinois · 2.2 MI NW Rantoul · Structure no. 010437600000000

Built
1990
35 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
89 ft
3 main spans
Daily traffic
125
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 45 over Big Ditch is a prestressed concrete box beam or girders - multiple carrying TR 45 over Big Ditch in Champaign County, Illinois. It was built in 1990, so it is 35 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 125 vehicles a day, roughly 11% of them trucks, projected to reach 126 by 2046. The structure is 89 ft (27.1 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 45
CrossesBig Ditch
Location2.2 MI NW Rantoul
RouteCounty Highway 0
Coordinates40.32644, -88.20879
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span46 ft (14 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2021)
Projected traffic126 by 2046
Trucks11%
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 45 over Big Ditch built?

It was built in 1990, making it 35 years old in 2025.

What condition is TR 45 over Big 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 March 2023.

How much traffic does TR 45 over Big Ditch carry?

About 125 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is TR 45 over Big Ditch?

The structure is 89 ft (27.1 m) long with a longest span of 46 ft (14 m) and a deck 28 ft wide.

Who owns TR 45 over Big Ditch?

It is owned by the Town or Township Highway Agency.