US Bridges

Institution Road over Rondout Creek

Fair

Ulster County, New York · At Napanoch · Structure no. 000000003346480

Built
1934
91 years old, rebuilt 1988
Condition
Fair
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
138 ft
1 main span
Daily traffic
1,823
2018 count
Owner
County
County Highway Agency

About this bridge

Institution Road over Rondout Creek is a steel girder and floorbeam system carrying Institution Road over Rondout Creek in Ulster County, New York. It was built in 1934 and reconstructed in 1988, so it is 91 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 1,823 vehicles a day, roughly 6% of them trucks, projected to reach 2,552 by 2038. The structure is 138 ft (42.1 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesInstitution Road
CrossesRondout Creek
LocationAt Napanoch
RouteCounty Highway 0
Coordinates41.74324, -74.3665
Functional classUrban 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span133 ft (40.5 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,823 (2018)
Projected traffic2,552 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Institution Road over Rondout Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1988.

What condition is Institution Road over Rondout 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 August 2024.

How much traffic does Institution Road over Rondout Creek carry?

About 1,823 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Institution Road over Rondout Creek?

The structure is 138 ft (42.1 m) long with a longest span of 133 ft (40.5 m) and a deck 31 ft wide.

Who owns Institution Road over Rondout Creek?

It is owned by the County Highway Agency.