US Bridges

RTE 105 over RTE 908T

Good

Nassau County, New York · .4 MI S JCT Rts Ssp+wsp · Structure no. 000000001036740

Built
1932
93 years old
Condition
Good
inspected February 2023
Type
Arch - Deck
Concrete
Length
83 ft
1 main span
Daily traffic
15,221
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 105 over RTE 908T is a concrete arch - deck carrying RTE 105 over RTE 908T in Nassau County, New York. It was built in 1932, so it is 93 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,221 vehicles a day, roughly 5% of them trucks, projected to reach 18,490 by 2041. The structure is 83 ft (25.3 m) long and 54 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 105
CrossesRTE 908T
Location.4 MI S JCT Rts Ssp+wsp
RouteState Highway 105
Coordinates40.69215, -73.51826
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating52 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length83 ft (25.3 m)
Longest span76 ft (23.2 m)
Deck width54 ft (16.4 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,221 (2021)
Projected traffic18,490 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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$5.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 105 over RTE 908T built?

It was built in 1932, making it 93 years old in 2025.

What condition is RTE 105 over RTE 908T in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does RTE 105 over RTE 908T carry?

About 15,221 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is RTE 105 over RTE 908T?

The structure is 83 ft (25.3 m) long with a longest span of 76 ft (23.2 m) and a deck 54 ft wide.

Who owns RTE 105 over RTE 908T?

It is owned by the State Highway Agency.