US Bridges

CR 64 over Walker Ditch

Fair

DeKalb County, Indiana · 00.30 W of SR 101 · Structure no. 1700129

Built
1978
47 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
350
2024 count
Owner
County
County Highway Agency

About this bridge

CR 64 over Walker Ditch is a prestressed concrete box beam or girders - multiple carrying CR 64 over Walker Ditch in DeKalb County, Indiana. It was built in 1978, so it is 47 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 350 vehicles a day, roughly 6% of them trucks, projected to reach 475 by 2044. The structure is 32 ft (9.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 64
CrossesWalker Ditch
Location00.30 W of SR 101
RouteCounty Highway 10
StateIndiana
Coordinates41.29842, -84.87308
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating36.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span29 ft (8.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2024)
Projected traffic475 by 2044
Trucks6%
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 64 over Walker Ditch built?

It was built in 1978, making it 47 years old in 2025.

What condition is CR 64 over Walker 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 October 2024.

How much traffic does CR 64 over Walker Ditch carry?

About 350 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is CR 64 over Walker Ditch?

The structure is 32 ft (9.7 m) long with a longest span of 29 ft (8.9 m) and a deck 24 ft wide.

Who owns CR 64 over Walker Ditch?

It is owned by the County Highway Agency.