US Bridges

Sheridan RD over Boyington Ravine

Fair

Lake County, Illinois · Highland Park · Structure no. 049008100000000

Built
1929
96 years old, rebuilt 2003
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
302 ft
5 main spans
Daily traffic
2,500
2023 count
Owner
State
State Highway Agency

About this bridge

Sheridan RD over Boyington Ravine is a prestressed concrete continuous stringer/multi-beam or girder carrying Sheridan RD over Boyington Ravine in Lake County, Illinois. It was built in 1929 and reconstructed in 2003, so it is 96 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 2,500 vehicles a day, roughly 5% of them trucks, projected to reach 2,626 by 2046. The structure is 302 ft (92.1 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSheridan RD
CrossesBoyington Ravine
LocationHighland Park
CountyLake County
StateIllinois
Coordinates42.1992, -87.79752
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length302 ft (92.1 m)
Longest span67 ft (20.4 m)
Deck width48 ft (14.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic2,626 by 2046
Trucks5%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Sheridan RD over Boyington Ravine built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 2003.

What condition is Sheridan RD over Boyington Ravine 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 January 2024.

How much traffic does Sheridan RD over Boyington Ravine carry?

About 2,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Sheridan RD over Boyington Ravine?

The structure is 302 ft (92.1 m) long with a longest span of 67 ft (20.4 m) and a deck 48 ft wide.

Who owns Sheridan RD over Boyington Ravine?

It is owned by the State Highway Agency.