US Bridges

RTE 55 over Halfway Brook

Poor

Sullivan County, New York · .5 Mile N of Barryville · Structure no. 000000003355340

Built
1958
67 years old
Condition
Poor
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
1,455
2020 count
Owner
County
County Highway Agency

About this bridge

RTE 55 over Halfway Brook is a prestressed concrete box beam or girders - multiple carrying RTE 55 over Halfway Brook in Sullivan County, New York. It was built in 1958, so it is 67 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,455 vehicles a day, roughly 6% of them trucks, projected to reach 1,517 by 2041. The structure is 56 ft (17.1 m) long and 37 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesRTE 55
CrossesHalfway Brook
Location.5 Mile N of Barryville
RouteState Highway 55
Coordinates41.4861, -74.9055
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, 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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span50 ft (15.2 m)
Deck width37 ft (11.3 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,455 (2020)
Projected traffic1,517 by 2041
Trucks6%
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

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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 55 over Halfway Brook built?

It was built in 1958, making it 67 years old in 2025.

What condition is RTE 55 over Halfway Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does RTE 55 over Halfway Brook carry?

About 1,455 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is RTE 55 over Halfway Brook?

The structure is 56 ft (17.1 m) long with a longest span of 50 ft (15.2 m) and a deck 37 ft wide.

Who owns RTE 55 over Halfway Brook?

It is owned by the County Highway Agency.