US Bridges

Ridge Road over Elgin Joliet Eastern Rr.

Poor

Lake County, Indiana · 00.30 E of Broad Street · Structure no. 4500119

Built
1934
91 years old, rebuilt 1985
Condition
Poor
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
165 ft
5 main spans
Daily traffic
24,762
2019 count
Owner
County
County Highway Agency

About this bridge

Ridge Road over Elgin Joliet Eastern Rr. is a prestressed concrete continuous box beam or girders - single or spread carrying Ridge Road over Elgin Joliet Eastern Rr. in Lake County, Indiana. It was built in 1934 and reconstructed in 1985, so it is 91 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 24,762 vehicles a day, roughly 4% of them trucks, projected to reach 31,517 by 2040. The structure is 165 ft (50.4 m) long and 69 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRidge Road
CrossesElgin Joliet Eastern Rr.
Location00.30 E of Broad Street
RouteCity Street 0
StateIndiana
Coordinates41.55048, -87.42295
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be 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 rating49.1 US tons
Inventory rating29.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length165 ft (50.4 m)
Longest span33 ft (10.1 m)
Deck width69 ft (21 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,762 (2019)
Projected traffic31,517 by 2040
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ridge Road over Elgin Joliet Eastern Rr. built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1985.

What condition is Ridge Road over Elgin Joliet Eastern Rr. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Ridge Road over Elgin Joliet Eastern Rr. carry?

About 24,762 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Ridge Road over Elgin Joliet Eastern Rr.?

The structure is 165 ft (50.4 m) long with a longest span of 33 ft (10.1 m) and a deck 69 ft wide.

Who owns Ridge Road over Elgin Joliet Eastern Rr.?

It is owned by the County Highway Agency.