US Bridges

CR 100W over Whitman Ditch

Fair

LaPorte County, Indiana · 01.10 S CR 1000 S · Structure no. 4600048

Built
1979
46 years old, rebuilt 2016
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

CR 100W over Whitman Ditch is a prestressed concrete box beam or girders - multiple carrying CR 100W over Whitman Ditch in LaPorte County, Indiana. It was built in 1979 and reconstructed in 2016, so it is 46 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 6 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2042. The structure is 42 ft (12.8 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCR 100W
CrossesWhitman Ditch
Location01.10 S CR 1000 S
RouteCounty Highway 63
CountyLaPorte County
StateIndiana
Coordinates41.44525, -86.71781
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.3 US tons
Inventory rating45.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic150 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 CR 100W over Whitman Ditch built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2016.

What condition is CR 100W over Whitman 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 September 2024.

How much traffic does CR 100W over Whitman Ditch carry?

About 100 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 100W over Whitman Ditch?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns CR 100W over Whitman Ditch?

It is owned by the County Highway Agency.