US Bridges

South Plank Road over Indigot Creek

Fair

Orange County, New York · .6 Mile NW of Johnson · Structure no. 000000003344750

Built
1959
66 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
1,131
2021 count
Owner
County
County Highway Agency

About this bridge

South Plank Road over Indigot Creek is a steel stringer/multi-beam or girder carrying South Plank Road over Indigot Creek in Orange County, New York. It was built in 1959, so it is 66 years old, older than the New York average of 53 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 1,131 vehicles a day, roughly 2% of them trucks, projected to reach 1,583 by 2041. The structure is 49 ft (14.9 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSouth Plank Road
CrossesIndigot Creek
Location.6 Mile NW of Johnson
Coordinates41.37399, -74.51328
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span47 ft (14.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,131 (2021)
Projected traffic1,583 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Plank Road over Indigot Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is South Plank Road over Indigot 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 March 2024.

How much traffic does South Plank Road over Indigot Creek carry?

About 1,131 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is South Plank Road over Indigot Creek?

The structure is 49 ft (14.9 m) long with a longest span of 47 ft (14.3 m) and a deck 31 ft wide.

Who owns South Plank Road over Indigot Creek?

It is owned by the County Highway Agency.