US Bridges

RTE 55A over Rondout Creek

Good

Sullivan County, New York · Near JCT SH 55A & CR 153 · Structure no. 000000005523640

Built
1939
86 years old, rebuilt 2016
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
151 ft
3 main spans
Daily traffic
854
2018 count
Owner
Local
Other Local Agency

About this bridge

RTE 55A over Rondout Creek is a steel stringer/multi-beam or girder carrying RTE 55A over Rondout Creek in Sullivan County, New York. It was built in 1939 and reconstructed in 2016, so it is 86 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 854 vehicles a day, roughly 8% of them trucks, projected to reach 1,196 by 2038. The structure is 151 ft (46 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRTE 55A
CrossesRondout Creek
LocationNear JCT SH 55A & CR 153
RouteState Highway 55A
Coordinates41.85949, -74.50739
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating89.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length151 ft (46 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic854 (2018)
Projected traffic1,196 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 55A over Rondout Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2016.

What condition is RTE 55A over Rondout Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does RTE 55A over Rondout Creek carry?

About 854 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is RTE 55A over Rondout Creek?

The structure is 151 ft (46 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns RTE 55A over Rondout Creek?

It is owned by the Other Local Agency.