US Bridges

RTE 24 over Pedestrian Tunnel

Fair

Nassau County, New York · RTE 24 at Nyc-Nassau Cl · Structure no. 000000001018069

Built
1904
121 years old, rebuilt 1957
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
37,334
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 24 over Pedestrian Tunnel is a steel stringer/multi-beam or girder carrying RTE 24 over Pedestrian Tunnel in Nassau County, New York. It was built in 1904 and reconstructed in 1957, so it is 121 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 37,334 vehicles a day, roughly 3% of them trucks, projected to reach 43,075 by 2041. The structure is 27 ft (8.2 m) long and 166 ft wide.

Location

Open in Google Maps
CarriesRTE 24
CrossesPedestrian Tunnel
LocationRTE 24 at Nyc-Nassau Cl
RouteState Highway 24
CountyNassau County
StateNew York
Coordinates40.71039, -73.72589
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating79.8 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width166 ft (50.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,334 (2020)
Projected traffic43,075 by 2041
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$5.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 24 over Pedestrian Tunnel built?

It was built in 1904, making it 121 years old in 2025. It was reconstructed in 1957.

What condition is RTE 24 over Pedestrian Tunnel 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 24 over Pedestrian Tunnel carry?

About 37,334 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is RTE 24 over Pedestrian Tunnel?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 166 ft wide.

Who owns RTE 24 over Pedestrian Tunnel?

It is owned by the State Highway Agency.