US Bridges

TR 2 LA Salle RD over Trib to Johnny Run

Poor

Grundy County, Illinois · .15 MI S Scully RD · Structure no. 032548500000000

Built
1985
40 years old
Condition
Poor
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
25
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 2 LA Salle RD over Trib to Johnny Run is a prestressed concrete box beam or girders - multiple carrying TR 2 LA Salle RD over Trib to Johnny Run in Grundy County, Illinois. It was built in 1985, so it is 40 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 25 vehicles a day, roughly 40% of them trucks, projected to reach 30 by 2046. The structure is 55 ft (16.8 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 2 LA Salle RD
CrossesTrib to Johnny Run
Location.15 MI S Scully RD
RouteCounty Highway 0
Coordinates41.12063, -88.58631
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span54 ft (16.5 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic30 by 2046
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 2 LA Salle RD over Trib to Johnny Run built?

It was built in 1985, making it 40 years old in 2025.

What condition is TR 2 LA Salle RD over Trib to Johnny Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does TR 2 LA Salle RD over Trib to Johnny Run carry?

About 25 vehicles per day (2024 count), of which roughly 40% are trucks.

How long is TR 2 LA Salle RD over Trib to Johnny Run?

The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 27 ft wide.

Who owns TR 2 LA Salle RD over Trib to Johnny Run?

It is owned by the Town or Township Highway Agency.