US Bridges

CR 1150S over Whitman Ditch

Fair

LaPorte County, Indiana · 00.20 E CR 100 W · Structure no. 4600039

Built
1982
43 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

CR 1150S over Whitman Ditch is a prestressed concrete box beam or girders - multiple carrying CR 1150S over Whitman Ditch in LaPorte County, Indiana. It was built in 1982, so it is 43 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 225 by 2042. The structure is 40 ft (12.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 1150S
CrossesWhitman Ditch
Location00.20 E CR 100 W
RouteCounty Highway 164
CountyLaPorte County
StateIndiana
Coordinates41.44019, -86.71396
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span36 ft (11 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic225 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 1150S over Whitman Ditch built?

It was built in 1982, making it 43 years old in 2025.

What condition is CR 1150S 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 1150S over Whitman Ditch carry?

About 150 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 1150S over Whitman Ditch?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 28 ft wide.

Who owns CR 1150S over Whitman Ditch?

It is owned by the County Highway Agency.