US Bridges

Broad Street over Cady Marsh Ditch

PoorPosted for load

Lake County, Indiana · 00.40 S of Ridge RD · Structure no. 4500174

Built
1970
55 years old, rebuilt 2010
Condition
Poor
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
16,840
2012 count
Owner
County
County Highway Agency

About this bridge

Broad Street over Cady Marsh Ditch is a prestressed concrete box beam or girders - multiple carrying Broad Street over Cady Marsh Ditch in Lake County, Indiana. It was built in 1970 and reconstructed in 2010, so it is 55 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. Its operating status is: posted for load restriction.

It carries about 16,840 vehicles a day, roughly 12% of them trucks, projected to reach 22,251 by 2040. The structure is 26 ft (8 m) long and 72 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesBroad Street
CrossesCady Marsh Ditch
Location00.40 S of Ridge RD
RouteCity Street 0
StateIndiana
Coordinates41.54427, -87.42762
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating22.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (8 m)
Longest span23 ft (6.9 m)
Deck width72 ft (21.9 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,840 (2012)
Projected traffic22,251 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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$854,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Broad Street over Cady Marsh Ditch built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2010.

What condition is Broad Street over Cady Marsh Ditch 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 Broad Street over Cady Marsh Ditch carry?

About 16,840 vehicles per day (2012 count), of which roughly 12% are trucks.

How long is Broad Street over Cady Marsh Ditch?

The structure is 26 ft (8 m) long with a longest span of 23 ft (6.9 m) and a deck 72 ft wide.

Who owns Broad Street over Cady Marsh Ditch?

It is owned by the County Highway Agency.