US Bridges

Botanical Grdn RD over Twin Lakes

Fair

Bronx County, New York · In Bronx Park · Structure no. 000000002242100

Built
1925
100 years old
Condition
Fair
inspected January 2024
Type
Arch - Deck
Masonry
Length
34 ft
1 main span
Daily traffic
300
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Botanical Grdn RD over Twin Lakes is a masonry arch - deck carrying Botanical Grdn RD over Twin Lakes in Bronx County, New York. It was built in 1925, 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 420 by 2029. The structure is 34 ft (10.3 m) long and 61 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesBotanical Grdn RD
CrossesTwin Lakes
LocationIn Bronx Park
RouteCity Street 0
Coordinates40.86773, -73.87648
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.9 US tons
Inventory rating27 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length34 ft (10.3 m)
Longest span23 ft (7 m)
Deck width61 ft (18.6 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2009)
Projected traffic420 by 2029
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byPrivate (other than railroad)
Historic statusListed on the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Botanical Grdn RD over Twin Lakes built?

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

What condition is Botanical Grdn RD over Twin Lakes 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 January 2024.

How much traffic does Botanical Grdn RD over Twin Lakes carry?

About 300 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is Botanical Grdn RD over Twin Lakes?

The structure is 34 ft (10.3 m) long with a longest span of 23 ft (7 m) and a deck 61 ft wide.

Who owns Botanical Grdn RD over Twin Lakes?

It is owned by the City or Municipal Highway Agency and maintained by the Private (other than railroad).