US Bridges

Boughton Rd. over I-355

Fair

Will County, Illinois · 0.1M.E.OF Janes St. · Structure no. 099994300000000

Built
1989
36 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
228 ft
2 main spans
Daily traffic
29,100
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Boughton Rd. over I-355 is a prestressed concrete stringer/multi-beam or girder carrying Boughton Rd. over I-355 in Will County, Illinois. It was built in 1989, so it is 36 years old, younger 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 29,100 vehicles a day, roughly 3% of them trucks, projected to reach 63,072 by 2046. The structure is 228 ft (69.5 m) long and 90 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesBoughton Rd.
CrossesI-355
Location0.1M.E.OF Janes St.
CountyWill County
StateIllinois
Coordinates41.72498, -88.03493
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length228 ft (69.5 m)
Longest span114 ft (34.7 m)
Deck width90 ft (27.3 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,100 (2023)
Projected traffic63,072 by 2046
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 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 Boughton Rd. over I-355 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Boughton Rd. over I-355 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 April 2024.

How much traffic does Boughton Rd. over I-355 carry?

About 29,100 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Boughton Rd. over I-355?

The structure is 228 ft (69.5 m) long with a longest span of 114 ft (34.7 m) and a deck 90 ft wide.

Who owns Boughton Rd. over I-355?

It is owned by the State Toll Authority.