US Bridges

Seguine Avenue over Sirt South Shore

Fair

Richmond County, New York · In Princes Bay · Structure no. 000000002249290

Built
1925
100 years old, rebuilt 1988
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
7,128
2020 count
Owner
Local
Other Local Agency

About this bridge

Seguine Avenue over Sirt South Shore is a steel stringer/multi-beam or girder carrying Seguine Avenue over Sirt South Shore in Richmond County, New York. It was built in 1925 and reconstructed in 1988, so it is 100 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 6 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 7,128 vehicles a day, roughly 7% of them trucks, projected to reach 8,659 by 2041. The structure is 70 ft (21.3 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSeguine Avenue
CrossesSirt South Shore
LocationIn Princes Bay
RouteCity Street 0
CountyRichmond County
StateNew York
Coordinates40.52514, -74.20079
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span65 ft (19.8 m)
Deck width46 ft (14.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,128 (2020)
Projected traffic8,659 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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$4.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Seguine Avenue over Sirt South Shore built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1988.

What condition is Seguine Avenue over Sirt South Shore 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 October 2023.

How much traffic does Seguine Avenue over Sirt South Shore carry?

About 7,128 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Seguine Avenue over Sirt South Shore?

The structure is 70 ft (21.3 m) long with a longest span of 65 ft (19.8 m) and a deck 46 ft wide.

Who owns Seguine Avenue over Sirt South Shore?

It is owned by the Other Local Agency.