US Bridges

Gibson Boulevard over Fosters Brook

Fair

Nassau County, New York · 1.0 MI S Valley Stream · Structure no. 000000003300320

Built
1952
73 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
417
2020 count
Owner
County
County Highway Agency

About this bridge

Gibson Boulevard over Fosters Brook is a concrete continuous culvert carrying Gibson Boulevard over Fosters Brook in Nassau County, New York. It was built in 1952, so it is 73 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 417 vehicles a day, roughly 1% of them trucks, projected to reach 515 by 2041. The structure is 34 ft (10.4 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGibson Boulevard
CrossesFosters Brook
Location1.0 MI S Valley Stream
Coordinates40.65338, -73.70107
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span11 ft (3.3 m)
Deck width52 ft (15.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic417 (2020)
Projected traffic515 by 2041
Trucks1%
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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gibson Boulevard over Fosters Brook built?

It was built in 1952, making it 73 years old in 2025.

What condition is Gibson Boulevard over Fosters Brook 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 April 2024.

How much traffic does Gibson Boulevard over Fosters Brook carry?

About 417 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Gibson Boulevard over Fosters Brook?

The structure is 34 ft (10.4 m) long with a longest span of 11 ft (3.3 m) and a deck 52 ft wide.

Who owns Gibson Boulevard over Fosters Brook?

It is owned by the County Highway Agency.