US Bridges

Dix Hills Road over RTE 908G

Good

Suffolk County, New York · 1.1 MI W JCT SH 231 & Nsp · Structure no. 000000001057370

Built
1949
76 years old
Condition
Good
inspected January 2024
Type
Arch - Deck
Concrete
Length
49 ft
1 main span
Daily traffic
2,994
2019 count
Owner
State
State Highway Agency

About this bridge

Dix Hills Road over RTE 908G is a concrete arch - deck carrying Dix Hills Road over RTE 908G in Suffolk County, New York. It was built in 1949, so it is 76 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 2,994 vehicles a day, roughly 2% of them trucks, projected to reach 4,192 by 2039. The structure is 49 ft (14.9 m) long and 43 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesDix Hills Road
CrossesRTE 908G
Location1.1 MI W JCT SH 231 & Nsp
Coordinates40.82533, -73.36451
Functional classUrban Local

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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.3 US tons
Inventory rating26.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length49 ft (14.9 m)
Longest span44 ft (13.4 m)
Deck width43 ft (13.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,994 (2019)
Projected traffic4,192 by 2039
Trucks2%
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dix Hills Road over RTE 908G built?

It was built in 1949, making it 76 years old in 2025.

What condition is Dix Hills Road over RTE 908G 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 January 2024.

How much traffic does Dix Hills Road over RTE 908G carry?

About 2,994 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Dix Hills Road over RTE 908G?

The structure is 49 ft (14.9 m) long with a longest span of 44 ft (13.4 m) and a deck 43 ft wide.

Who owns Dix Hills Road over RTE 908G?

It is owned by the State Highway Agency.