US Bridges

CR 660N over Nettle Creek

Fair

Jennings County, Indiana · 00.99 W of CR 780 W · Structure no. 4000006

Built
1940
85 years old, rebuilt 1985
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
110
2023 count
Owner
County
County Highway Agency

About this bridge

CR 660N over Nettle Creek is a prestressed concrete box beam or girders - multiple carrying CR 660N over Nettle Creek in Jennings County, Indiana. It was built in 1940 and reconstructed in 1985, 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 110 vehicles a day, roughly 5% of them trucks, projected to reach 175 by 2041. The structure is 32 ft (9.9 m) long and 20 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCR 660N
CrossesNettle Creek
Location00.99 W of CR 780 W
RouteCounty Highway 250
CountyJennings County
StateIndiana
Coordinates39.08017, -85.7753
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 inspectionApril 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating52.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span30 ft (9.2 m)
Deck width20 ft (6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2023)
Projected traffic175 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$450,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 660N over Nettle Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1985.

What condition is CR 660N over Nettle 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 April 2023.

How much traffic does CR 660N over Nettle Creek carry?

About 110 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is CR 660N over Nettle Creek?

The structure is 32 ft (9.9 m) long with a longest span of 30 ft (9.2 m) and a deck 20 ft wide.

Who owns CR 660N over Nettle Creek?

It is owned by the County Highway Agency.