US Bridges

Patten Road over Paved Road

FairPosted for load

Lake County, Illinois · 0.5 KM N of Finley Road · Structure no. 1IL1861

Built
2005
20 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
181 ft
3 main spans
Daily traffic
1,050
2008 count
Owner
Federal
Navy / Marines

About this bridge

Patten Road over Paved Road is a prestressed concrete box beam or girders - multiple carrying Patten Road over Paved Road in Lake County, Illinois. It was built in 2005, so it is 20 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,050 vehicles a day, roughly 5% of them trucks, projected to reach 1,230 by 2039. The structure is 181 ft (55.2 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesPatten Road
CrossesPaved Road
Location0.5 KM N of Finley Road
CountyLake County
StateIllinois
Coordinates42.21512, -87.80843
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.6 US tons
Inventory rating35.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length181 ft (55.2 m)
Longest span61 ft (18.5 m)
Deck width45 ft (13.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2008)
Projected traffic1,230 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNavy / Marines
Maintained byNavy / Marines
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$108,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Patten Road over Paved Road built?

It was built in 2005, making it 20 years old in 2025.

What condition is Patten Road over Paved Road 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 Patten Road over Paved Road carry?

About 1,050 vehicles per day (2008 count), of which roughly 5% are trucks.

How long is Patten Road over Paved Road?

The structure is 181 ft (55.2 m) long with a longest span of 61 ft (18.5 m) and a deck 45 ft wide.

Who owns Patten Road over Paved Road?

It is owned by the Navy / Marines.