US Bridges

Middle Road over Browns Creek

Good

Suffolk County, New York · At Sayville · Structure no. 000000003300740

Built
2014
11 years old
Condition
Good
inspected May 2024
Type
Arch - Deck
Concrete
Length
37 ft
1 main span
Daily traffic
5,389
2021 count
Owner
County
County Highway Agency

About this bridge

Middle Road over Browns Creek is a concrete arch - deck carrying Middle Road over Browns Creek in Suffolk County, New York. It was built in 2014, so it is 11 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,389 vehicles a day, roughly 4% of them trucks, projected to reach 6,667 by 2041. The structure is 37 ft (11.3 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMiddle Road
CrossesBrowns Creek
LocationAt Sayville
RouteCounty Highway 0
Coordinates40.73579, -73.07274
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating78 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width46 ft (14 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,389 (2021)
Projected traffic6,667 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Middle Road over Browns Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Middle Road over Browns Creek 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 May 2024.

How much traffic does Middle Road over Browns Creek carry?

About 5,389 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Middle Road over Browns Creek?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 46 ft wide.

Who owns Middle Road over Browns Creek?

It is owned by the County Highway Agency.