US Bridges

RTE 9W over Old Mine Road Dock Broo

Fair

Orange County, New York · 0.6 MI N JCT Rts 9W+6 · Structure no. 000000001007160

Built
1932
93 years old, rebuilt 1986
Condition
Fair
inspected May 2024
Type
Arch - Deck
Steel
Length
493 ft
3 main spans
Daily traffic
18,344
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 9W over Old Mine Road Dock Broo is a steel arch - deck carrying RTE 9W over Old Mine Road Dock Broo in Orange County, New York. It was built in 1932 and reconstructed in 1986, so it is 93 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 5 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 18,344 vehicles a day, roughly 5% of them trucks, projected to reach 18,430 by 2041. The structure is 493 ft (150.3 m) long and 56 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesRTE 9W
CrossesOld Mine Road Dock Broo
Location0.6 MI N JCT Rts 9W+6
RouteU.S. Route 9W
CountyOrange County
StateNew York
Coordinates41.32789, -73.9878
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating32 US tons
Inventory rating19 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+10 approach)
Design loadHS 20
Structure length493 ft (150.3 m)
Longest span160 ft (48.7 m)
Deck width56 ft (17 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,344 (2019)
Projected traffic18,430 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$39 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9W over Old Mine Road Dock Broo built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1986.

What condition is RTE 9W over Old Mine Road Dock Broo 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 May 2024.

How much traffic does RTE 9W over Old Mine Road Dock Broo carry?

About 18,344 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is RTE 9W over Old Mine Road Dock Broo?

The structure is 493 ft (150.3 m) long with a longest span of 160 ft (48.7 m) and a deck 56 ft wide.

Who owns RTE 9W over Old Mine Road Dock Broo?

It is owned by the State Highway Agency.