US Bridges

TR 84 over Brushy Fork CR

Fair

Perry County, Illinois · 2.3 MI S of FAS 864 · Structure no. 073312800000000

Built
1983
42 years old
Condition
Fair
inspected January 2025
Type
Slab
Prestressed Concrete
Length
84 ft
2 main spans
Daily traffic
225
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 84 over Brushy Fork CR is a prestressed concrete slab carrying TR 84 over Brushy Fork CR in Perry County, Illinois. It was built in 1983, so it is 42 years old, younger 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 6 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 225 vehicles a day, roughly 13% of them trucks, projected to reach 202 by 2046. The structure is 84 ft (25.6 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesTR 84
CrossesBrushy Fork CR
Location2.3 MI S of FAS 864
RouteCounty Highway 0
Coordinates37.96442, -89.48425
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span42 ft (12.8 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2024)
Projected traffic202 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 84 over Brushy Fork CR built?

It was built in 1983, making it 42 years old in 2025.

What condition is TR 84 over Brushy Fork CR 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 2025.

How much traffic does TR 84 over Brushy Fork CR carry?

About 225 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is TR 84 over Brushy Fork CR?

The structure is 84 ft (25.6 m) long with a longest span of 42 ft (12.8 m) and a deck 24 ft wide.

Who owns TR 84 over Brushy Fork CR?

It is owned by the Town or Township Highway Agency.