US Bridges

CR 64 over ST Joseph River

Fair

DeKalb County, Indiana · 00.30 E of SR 1 · Structure no. 1700005

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
221 ft
3 main spans
Daily traffic
1,125
2024 count
Owner
County
County Highway Agency

About this bridge

CR 64 over ST Joseph River is a prestressed concrete stringer/multi-beam or girder carrying CR 64 over ST Joseph River in DeKalb County, Indiana. It was built in 1970, so it is 55 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 1,125 vehicles a day, roughly 6% of them trucks, projected to reach 1,950 by 2044. The structure is 221 ft (67.3 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 64
CrossesST Joseph River
Location00.30 E of SR 1
RouteCounty Highway 10
CountyDeKalb County
StateIndiana
Coordinates41.29798, -84.90011
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.1 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length221 ft (67.3 m)
Longest span71 ft (21.7 m)
Deck width29 ft (8.9 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,125 (2024)
Projected traffic1,950 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$800,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 64 over ST Joseph River built?

It was built in 1970, making it 55 years old in 2025.

What condition is CR 64 over ST Joseph River 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 ST Joseph River carry?

About 1,125 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is CR 64 over ST Joseph River?

The structure is 221 ft (67.3 m) long with a longest span of 71 ft (21.7 m) and a deck 29 ft wide.

Who owns CR 64 over ST Joseph River?

It is owned by the County Highway Agency.