US Bridges

RTE 17M over Seely Brook

Fair

Orange County, New York · 3.2 MI W JCT Rts 17M+208 · Structure no. 000000001014590

Built
1935
90 years old, rebuilt 2007
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
94 ft
1 main span
Daily traffic
5,261
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 17M over Seely Brook is a steel stringer/multi-beam or girder carrying RTE 17M over Seely Brook in Orange County, New York. It was built in 1935 and reconstructed in 2007, so it is 90 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 5,261 vehicles a day, roughly 5% of them trucks, projected to reach 6,509 by 2041. The structure is 94 ft (28.7 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 17M
CrossesSeely Brook
Location3.2 MI W JCT Rts 17M+208
RouteState Highway 17M
Coordinates41.35053, -74.24087
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating73 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length94 ft (28.7 m)
Longest span86 ft (26.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,261 (2021)
Projected traffic6,509 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$4.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 17M over Seely Brook built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2007.

What condition is RTE 17M over Seely 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 17M over Seely Brook carry?

About 5,261 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is RTE 17M over Seely Brook?

The structure is 94 ft (28.7 m) long with a longest span of 86 ft (26.2 m) and a deck 43 ft wide.

Who owns RTE 17M over Seely Brook?

It is owned by the State Highway Agency.