US Bridges

RTE 9 over Dead Creek

Fair

Clinton County, New York · City of Plattsburgh · Structure no. 000000002219610

Built
2005
20 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
8,639
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

RTE 9 over Dead Creek is a prestressed concrete box beam or girders - multiple carrying RTE 9 over Dead Creek in Clinton County, New York. It was built in 2005, so it is 20 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 8,639 vehicles a day, roughly 3% of them trucks, projected to reach 8,679 by 2041. The structure is 70 ft (21.3 m) long and 66 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 9
CrossesDead Creek
LocationCity of Plattsburgh
RouteU.S. Route 9
Coordinates44.71767, -73.44297
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.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span66 ft (20 m)
Deck width66 ft (20.1 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,639 (2020)
Projected traffic8,679 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9 over Dead Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is RTE 9 over Dead Creek 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 9 over Dead Creek carry?

About 8,639 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is RTE 9 over Dead Creek?

The structure is 70 ft (21.3 m) long with a longest span of 66 ft (20 m) and a deck 66 ft wide.

Who owns RTE 9 over Dead Creek?

It is owned by the City or Municipal Highway Agency.