US Bridges

TR 463 over Trib Vermilion R

Fair

LaSalle County, Illinois · N 2053 RD E 1175 · Structure no. 050322700000000

Built
1924
101 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
75
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 463 over Trib Vermilion R is a concrete slab carrying TR 463 over Trib Vermilion R in LaSalle County, Illinois. It was built in 1924, so it is 101 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 75 vehicles a day, roughly 13% of them trucks, projected to reach 76 by 2046. The structure is 26 ft (7.9 m) long and 23 ft wide.

Location

Open in Google Maps
CarriesTR 463
CrossesTrib Vermilion R
LocationN 2053 RD E 1175
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.24033, -88.93579
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2016)
Projected traffic76 by 2046
Trucks13%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 463 over Trib Vermilion R built?

It was built in 1924, making it 101 years old in 2025.

What condition is TR 463 over Trib Vermilion 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 June 2024.

How much traffic does TR 463 over Trib Vermilion R carry?

About 75 vehicles per day (2016 count), of which roughly 13% are trucks.

How long is TR 463 over Trib Vermilion R?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.

Who owns TR 463 over Trib Vermilion R?

It is owned by the Town or Township Highway Agency.