US Bridges

Grace Street over Cady Marsh Ditch

FairPosted for load

Lake County, Indiana · 00.30 S. of Ridge Rd. · Structure no. 4500179

Built
1985
40 years old
Condition
Fair
inspected August 2024
Type
Slab
Wood or Timber
Length
26 ft
1 main span
Daily traffic
6,025
2011 count
Owner
County
County Highway Agency

About this bridge

Grace Street over Cady Marsh Ditch is a wood or timber slab carrying Grace Street over Cady Marsh Ditch in Lake County, Indiana. It was built in 1985, so it is 40 years old, younger than the Indiana average of 46.6 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 6,025 vehicles a day, roughly 3% of them trucks, projected to reach 8,041 by 2040. The structure is 26 ft (8 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesGrace Street
CrossesCady Marsh Ditch
Location00.30 S. of Ridge Rd.
RouteCity Street 0
CountyLake County
StateIndiana
Coordinates41.5475, -87.44706
Functional classUrban 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating52.2 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length26 ft (8 m)
Longest span25 ft (7.7 m)
Deck width45 ft (13.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,025 (2011)
Projected traffic8,041 by 2040
Trucks3%
Lanes on structure2
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$21,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Grace Street over Cady Marsh Ditch built?

It was built in 1985, making it 40 years old in 2025.

What condition is Grace Street over Cady Marsh Ditch 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 August 2024.

How much traffic does Grace Street over Cady Marsh Ditch carry?

About 6,025 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Grace Street over Cady Marsh Ditch?

The structure is 26 ft (8 m) long with a longest span of 25 ft (7.7 m) and a deck 45 ft wide.

Who owns Grace Street over Cady Marsh Ditch?

It is owned by the County Highway Agency.