US Bridges

RTE 7 over Bonny Brook

Fair

Schenectady County, New York · 3.1MI W.Int.Rtes 337 & 7 · Structure no. 000000001073940

Built
1987
38 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
2,761
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 7 over Bonny Brook is a prestressed concrete box beam or girders - multiple carrying RTE 7 over Bonny Brook in Schenectady County, New York. It was built in 1987, so it is 38 years old, younger 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 2,761 vehicles a day, roughly 9% of them trucks, projected to reach 3,416 by 2041. The structure is 33 ft (10.1 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesRTE 7
CrossesBonny Brook
Location3.1MI W.Int.Rtes 337 & 7
RouteState Highway 7
CountySchenectady County
StateNew York
Coordinates42.77852, -74.06851
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating60 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span32 ft (9.7 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,761 (2020)
Projected traffic3,416 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 7 over Bonny Brook built?

It was built in 1987, making it 38 years old in 2025.

What condition is RTE 7 over Bonny 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 June 2023.

How much traffic does RTE 7 over Bonny Brook carry?

About 2,761 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is RTE 7 over Bonny Brook?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.7 m) and a deck 34 ft wide.

Who owns RTE 7 over Bonny Brook?

It is owned by the State Highway Agency.