US Bridges

Deerfield Road over Desplaines River

Fair

Lake County, Illinois · 0.4 MI E of US-45 · Structure no. 049017400000000

Built
1993
32 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
225 ft
3 main spans
Daily traffic
15,400
2023 count
Owner
County
County Highway Agency

About this bridge

Deerfield Road over Desplaines River is a steel continuous stringer/multi-beam or girder carrying Deerfield Road over Desplaines River in Lake County, Illinois. It was built in 1993, so it is 32 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 15,400 vehicles a day, roughly 2% of them trucks, projected to reach 17,574 by 2046. The structure is 225 ft (68.6 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesDeerfield Road
CrossesDesplaines River
Location0.4 MI E of US-45
CountyLake County
StateIllinois
Coordinates42.16766, -87.91357
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span85 ft (25.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,400 (2023)
Projected traffic17,574 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Deerfield Road over Desplaines River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Deerfield Road over Desplaines River 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 Deerfield Road over Desplaines River carry?

About 15,400 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Deerfield Road over Desplaines River?

The structure is 225 ft (68.6 m) long with a longest span of 85 ft (25.9 m) and a deck 43 ft wide.

Who owns Deerfield Road over Desplaines River?

It is owned by the County Highway Agency.