US Bridges

CR 1100W over Cook Ditch

Fair

LaPorte County, Indiana · 01.50 N CR 2400 S · Structure no. 4600112

Built
1940
85 years old, rebuilt 1992
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
125
2024 count
Owner
County
County Highway Agency

About this bridge

CR 1100W over Cook Ditch is a prestressed concrete box beam or girders - multiple carrying CR 1100W over Cook Ditch in LaPorte County, Indiana. It was built in 1940 and reconstructed in 1992, so it is 85 years old, older 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 156 by 2044. The structure is 29 ft (8.9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 1100W
CrossesCook Ditch
Location01.50 N CR 2400 S
RouteCounty Highway 5
StateIndiana
Coordinates41.28096, -86.91035
Functional classRural Minor 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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.5 US tons
Inventory rating45.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span27 ft (8.2 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2024)
Projected traffic156 by 2044
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 1100W over Cook Ditch built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1992.

What condition is CR 1100W over Cook 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 1100W over Cook Ditch carry?

About 125 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is CR 1100W over Cook Ditch?

The structure is 29 ft (8.9 m) long with a longest span of 27 ft (8.2 m) and a deck 28 ft wide.

Who owns CR 1100W over Cook Ditch?

It is owned by the County Highway Agency.