US Bridges

TR 84 over Trib Vermillion R

Fair

Livingston County, Illinois · 2870 N 1100 E · Structure no. 053319400000000

Built
1921
104 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
100
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 84 over Trib Vermillion R is a concrete slab carrying TR 84 over Trib Vermillion R in Livingston County, Illinois. It was built in 1921, so it is 104 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 100 vehicles a day, roughly 39% of them trucks, projected to reach 253 by 2046. The structure is 26 ft (7.9 m) long and 27 ft wide.

Location

Open in Google Maps
CarriesTR 84
CrossesTrib Vermillion R
Location2870 N 1100 E
RouteCounty Highway 0
CountyLivingston County
StateIllinois
Coordinates41.04373, -88.71911
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 inspectionAugust 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 geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic253 by 2046
Trucks39%
Lanes on structure2
Traffic directionTwo-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$110,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 84 over Trib Vermillion R built?

It was built in 1921, making it 104 years old in 2025.

What condition is TR 84 over Trib Vermillion R 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 August 2024.

How much traffic does TR 84 over Trib Vermillion R carry?

About 100 vehicles per day (2023 count), of which roughly 39% are trucks.

How long is TR 84 over Trib Vermillion R?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns TR 84 over Trib Vermillion R?

It is owned by the Town or Township Highway Agency.