US Bridges

Southern Parkway over 135 135 03011095 RTE 13

Fair

Nassau County, New York · JCT SH 135 & Ssp · Structure no. 000000001037920

Built
1962
63 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
113 ft
2 main spans
Daily traffic
7,249
2021 count
Owner
State
State Highway Agency

About this bridge

Southern Parkway over 135 135 03011095 RTE 13 is a steel stringer/multi-beam or girder carrying Southern Parkway over 135 135 03011095 RTE 13 in Nassau County, New York. It was built in 1962, so it is 63 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 7,249 vehicles a day, roughly 3% of them trucks, projected to reach 8,969 by 2041. The structure is 113 ft (34.4 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSouthern Parkway
Crosses135 135 03011095 RTE 13
LocationJCT SH 135 & Ssp
Coordinates40.78173, -73.48291
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 alignment8: Equal to present desirable criteria
Operating rating92.5 US tons
Inventory rating71.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length113 ft (34.4 m)
Longest span54 ft (16.4 m)
Deck width54 ft (16.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,249 (2021)
Projected traffic8,969 by 2041
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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$6.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Southern Parkway over 135 135 03011095 RTE 13 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Southern Parkway over 135 135 03011095 RTE 13 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 June 2023.

How much traffic does Southern Parkway over 135 135 03011095 RTE 13 carry?

About 7,249 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Southern Parkway over 135 135 03011095 RTE 13?

The structure is 113 ft (34.4 m) long with a longest span of 54 ft (16.4 m) and a deck 54 ft wide.

Who owns Southern Parkway over 135 135 03011095 RTE 13?

It is owned by the State Highway Agency.