US Bridges

TR 78 over Wildcat Slough

Fair

Champaign County, Illinois · 5 MI S of Fisher · Structure no. 010408100000000

Built
1972
53 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
76 ft
2 main spans
Daily traffic
600
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 78 over Wildcat Slough is a concrete channel beam carrying TR 78 over Wildcat Slough in Champaign County, Illinois. It was built in 1972, so it is 53 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 600 vehicles a day, roughly 17% of them trucks, projected to reach 606 by 2046. The structure is 76 ft (23.2 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTR 78
CrossesWildcat Slough
Location5 MI S of Fisher
RouteCounty Highway 0
Coordinates40.28063, -88.34666
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating34 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 15
Structure length76 ft (23.2 m)
Longest span38 ft (11.6 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2021)
Projected traffic606 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 78 over Wildcat Slough built?

It was built in 1972, making it 53 years old in 2025.

What condition is TR 78 over Wildcat Slough 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 January 2024.

How much traffic does TR 78 over Wildcat Slough carry?

About 600 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is TR 78 over Wildcat Slough?

The structure is 76 ft (23.2 m) long with a longest span of 38 ft (11.6 m) and a deck 26 ft wide.

Who owns TR 78 over Wildcat Slough?

It is owned by the Town or Township Highway Agency.