US Bridges

Poplar Lane over Hart Ditch

Good

Lake County, Indiana · 00.30 W. of White Oak Ave · Structure no. 4500186

Built
1977
48 years old, rebuilt 2013
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
108 ft
3 main spans
Daily traffic
550
2012 count
Owner
County
County Highway Agency

About this bridge

Poplar Lane over Hart Ditch is a steel continuous stringer/multi-beam or girder carrying Poplar Lane over Hart Ditch in Lake County, Indiana. It was built in 1977 and reconstructed in 2013, so it is 48 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 550 vehicles a day, roughly 2% of them trucks, projected to reach 727 by 2040. The structure is 108 ft (32.8 m) long and 44 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPoplar Lane
CrossesHart Ditch
Location00.30 W. of White Oak Ave
RouteCity Street 0
StateIndiana
Coordinates41.53086, -87.49594
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.2 US tons
Inventory rating48 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length108 ft (32.8 m)
Longest span36 ft (10.9 m)
Deck width44 ft (13.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2012)
Projected traffic727 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Poplar Lane over Hart Ditch built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2013.

What condition is Poplar Lane over Hart Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Poplar Lane over Hart Ditch carry?

About 550 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is Poplar Lane over Hart Ditch?

The structure is 108 ft (32.8 m) long with a longest span of 36 ft (10.9 m) and a deck 44 ft wide.

Who owns Poplar Lane over Hart Ditch?

It is owned by the County Highway Agency.