US Bridges

CR 1275S over Unnamed Ditch

FairPosted for load

Putnam County, Indiana · 00.20 W of CR 700 W · Structure no. 6700228

Built
1945
80 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
120
2023 count
Owner
County
County Highway Agency

About this bridge

CR 1275S over Unnamed Ditch is a concrete slab carrying CR 1275S over Unnamed Ditch in Putnam County, Indiana. It was built in 1945, so it is 80 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. Its operating status is: posted for load restriction.

It carries about 120 vehicles a day, roughly 3% of them trucks, projected to reach 160 by 2043. The structure is 23 ft (7.1 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 1275S
CrossesUnnamed Ditch
Location00.20 W of CR 700 W
RouteCounty Highway 64
CountyPutnam County
StateIndiana
Coordinates39.47689, -86.98188
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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7.1 m)
Longest span20 ft (6.1 m)
Deck width17 ft (5.3 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2023)
Projected traffic160 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 1275S over Unnamed Ditch built?

It was built in 1945, making it 80 years old in 2025.

What condition is CR 1275S over Unnamed 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 March 2023.

How much traffic does CR 1275S over Unnamed Ditch carry?

About 120 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR 1275S over Unnamed Ditch?

The structure is 23 ft (7.1 m) long with a longest span of 20 ft (6.1 m) and a deck 17 ft wide.

Who owns CR 1275S over Unnamed Ditch?

It is owned by the County Highway Agency.