US Bridges

RTE 55 over Unnamed Stream

Fair

Sullivan County, New York · 1.8 MI NW of Grahamsville · Structure no. 000000001025030

Built
1931
94 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
2,192
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 55 over Unnamed Stream is a concrete slab carrying RTE 55 over Unnamed Stream in Sullivan County, New York. It was built in 1931, so it is 94 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 2,192 vehicles a day, roughly 8% of them trucks, projected to reach 2,286 by 2041. The structure is 26 ft (7.9 m) long and 33 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesRTE 55
CrossesUnnamed Stream
Location1.8 MI NW of Grahamsville
RouteState Highway 55
CountySullivan County
StateNew York
Coordinates41.85646, -74.55986
Functional classRural Major Collector

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.
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 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 alignment6: Equal to present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,192 (2020)
Projected traffic2,286 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$707,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 55 over Unnamed Stream built?

It was built in 1931, making it 94 years old in 2025.

What condition is RTE 55 over Unnamed Stream 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 RTE 55 over Unnamed Stream carry?

About 2,192 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE 55 over Unnamed Stream?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 33 ft wide.

Who owns RTE 55 over Unnamed Stream?

It is owned by the State Highway Agency.