US Bridges

Keilman Street over Hart Ditch

Fair

Lake County, Indiana · 00.10 E. of Hart ST · Structure no. 4500154

Built
2003
22 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
81 ft
2 main spans
Daily traffic
1,293
2012 count
Owner
County
County Highway Agency

About this bridge

Keilman Street over Hart Ditch is a concrete continuous slab carrying Keilman Street over Hart Ditch in Lake County, Indiana. It was built in 2003, so it is 22 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.

It carries about 1,293 vehicles a day, roughly 2% of them trucks, projected to reach 1,709 by 2040. The structure is 81 ft (24.7 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesKeilman Street
CrossesHart Ditch
Location00.10 E. of Hart ST
RouteCity Street 0
CountyLake County
StateIndiana
Coordinates41.4955, -87.51889
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span40 ft (12.3 m)
Deck width42 ft (12.9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,293 (2012)
Projected traffic1,709 by 2040
Trucks2%
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$89,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Keilman Street over Hart Ditch built?

It was built in 2003, making it 22 years old in 2025.

What condition is Keilman Street over Hart 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 Keilman Street over Hart Ditch carry?

About 1,293 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is Keilman Street over Hart Ditch?

The structure is 81 ft (24.7 m) long with a longest span of 40 ft (12.3 m) and a deck 42 ft wide.

Who owns Keilman Street over Hart Ditch?

It is owned by the County Highway Agency.