US Bridges

TR 188 Midway RD over I-88

Fair

Lee County, Illinois · .65 MI S of Ashton · Structure no. 052993400000000

Built
1974
51 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
224 ft
4 main spans
Daily traffic
250
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

TR 188 Midway RD over I-88 is a prestressed concrete stringer/multi-beam or girder carrying TR 188 Midway RD 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 250 vehicles a day, roughly 21% of them trucks, projected to reach 404 by 2046. The structure is 224 ft (68.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesTR 188 Midway RD
CrossesI-88
Location.65 MI S of Ashton
RouteCounty Highway 0
CountyLee County
StateIllinois
Coordinates41.85262, -89.22661
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.3 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length224 ft (68.3 m)
Longest span81 ft (24.7 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic404 by 2046
Trucks21%
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 188 Midway RD over I-88 built?

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

What condition is TR 188 Midway RD 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 August 2024.

How much traffic does TR 188 Midway RD over I-88 carry?

About 250 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is TR 188 Midway RD over I-88?

The structure is 224 ft (68.3 m) long with a longest span of 81 ft (24.7 m) and a deck 30 ft wide.

Who owns TR 188 Midway RD over I-88?

It is owned by the State Toll Authority.