US Bridges

TR 168 over Trib of Vermillion R

Good

LaSalle County, Illinois · E 10th N 2130 · Structure no. 050355100000000

Built
1996
29 years old
Condition
Good
inspected June 2022
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
75
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 168 over Trib of Vermillion R is a concrete frame carrying TR 168 over Trib of Vermillion R in LaSalle County, Illinois. It was built in 1996, so it is 29 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 75 vehicles a day, projected to reach 76 by 2046. The structure is 22 ft (6.8 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTR 168
CrossesTrib of Vermillion R
LocationE 10th N 2130
RouteCounty Highway 0
Coordinates41.24108, -88.97141
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2022
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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length22 ft (6.8 m)
Longest span21 ft (6.3 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2016)
Projected traffic76 by 2046
Trucks0%
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 168 over Trib of Vermillion R built?

It was built in 1996, making it 29 years old in 2025.

What condition is TR 168 over Trib of Vermillion R 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 June 2022.

How much traffic does TR 168 over Trib of Vermillion R carry?

About 75 vehicles per day (2016 count).

How long is TR 168 over Trib of Vermillion R?

The structure is 22 ft (6.8 m) long with a longest span of 21 ft (6.3 m) and a deck 32 ft wide.

Who owns TR 168 over Trib of Vermillion R?

It is owned by the Town or Township Highway Agency.