US Bridges

CR 1460N over Grindstone Creek

Fair

Fountain County, Indiana · 01.00 SE of CR 820 E · Structure no. 2300123

Built
1920
105 years old, rebuilt 1993
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

CR 1460N over Grindstone Creek is a prestressed concrete box beam or girders - multiple carrying CR 1460N over Grindstone Creek in Fountain County, Indiana. It was built in 1920 and reconstructed in 1993, so it is 105 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 120 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 1460N
CrossesGrindstone Creek
Location01.00 SE of CR 820 E
RouteCounty Highway 80
StateIndiana
Coordinates40.33972, -87.12183
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.6 US tons
Inventory rating29.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span26 ft (7.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1460N over Grindstone Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1993.

What condition is CR 1460N over Grindstone Creek 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 June 2024.

How much traffic does CR 1460N over Grindstone Creek carry?

About 120 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is CR 1460N over Grindstone Creek?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.8 m) and a deck 24 ft wide.

Who owns CR 1460N over Grindstone Creek?

It is owned by the County Highway Agency.