US Bridges

RTE 110 over RTE 908M

Good

Suffolk County, New York · JCT SH 110 & Ssp · Structure no. 000000001036949

Built
1939
86 years old
Condition
Good
inspected October 2024
Type
Arch - Deck
Concrete
Length
65 ft
1 main span
Daily traffic
46,801
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 110 over RTE 908M is a concrete arch - deck carrying RTE 110 over RTE 908M in Suffolk County, New York. It was built in 1939, so it is 86 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 46,801 vehicles a day, roughly 4% of them trucks, projected to reach 53,998 by 2041. The structure is 65 ft (19.8 m) long and 92 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 110
CrossesRTE 908M
LocationJCT SH 110 & Ssp
RouteState Highway 110
Coordinates40.70692, -73.42813
Functional classUrban Other Principal 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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating99 US tons
Inventory rating89.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length65 ft (19.8 m)
Longest span60 ft (18.2 m)
Deck width92 ft (28 m)
Roadway width76 ft (23.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,801 (2020)
Projected traffic53,998 by 2041
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed2.5 mi (4 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$7.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 110 over RTE 908M built?

It was built in 1939, making it 86 years old in 2025.

What condition is RTE 110 over RTE 908M 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 October 2024.

How much traffic does RTE 110 over RTE 908M carry?

About 46,801 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is RTE 110 over RTE 908M?

The structure is 65 ft (19.8 m) long with a longest span of 60 ft (18.2 m) and a deck 92 ft wide.

Who owns RTE 110 over RTE 908M?

It is owned by the State Highway Agency.