US Bridges

TR 232 Bush Grove over I-88

Fair

Lee County, Illinois · .5 MI SW Ogle CO LN · Structure no. 052994100000000

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
220 ft
4 main spans
Daily traffic
35
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

TR 232 Bush Grove over I-88 is a prestressed concrete stringer/multi-beam or girder carrying TR 232 Bush Grove over I-88 in Lee County, Illinois. It was built in 1974, so it is 51 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 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 35 vehicles a day, roughly 23% of them trucks, projected to reach 35 by 2046. The structure is 220 ft (67.1 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 232 Bush Grove
CrossesI-88
Location.5 MI SW Ogle CO LN
RouteCounty Highway 0
CountyLee County
StateIllinois
Coordinates41.88601, -89.11236
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span79 ft (24.1 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2046
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 232 Bush Grove over I-88 built?

It was built in 1974, making it 51 years old in 2025.

What condition is TR 232 Bush Grove over I-88 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 July 2024.

How much traffic does TR 232 Bush Grove over I-88 carry?

About 35 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is TR 232 Bush Grove over I-88?

The structure is 220 ft (67.1 m) long with a longest span of 79 ft (24.1 m) and a deck 30 ft wide.

Who owns TR 232 Bush Grove over I-88?

It is owned by the State Toll Authority.