US Bridges

RTE 9B over Delaware & Hudson

Fair

Clinton County, New York · 2.2 MI E JCT SH 9 & SH 9B · Structure no. 000000001006280

Built
1988
37 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
1,922
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 9B over Delaware & Hudson is a prestressed concrete continuous box beam or girders - multiple carrying RTE 9B over Delaware & Hudson in Clinton County, New York. It was built in 1988, so it is 37 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 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 1,922 vehicles a day, roughly 10% of them trucks, projected to reach 2,005 by 2041. The structure is 150 ft (45.7 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRTE 9B
CrossesDelaware & Hudson
Location2.2 MI E JCT SH 9 & SH 9B
RouteState Highway 9B
CountyClinton County
StateNew York
Coordinates44.94229, -73.40252
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span62 ft (18.8 m)
Deck width37 ft (11.3 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,922 (2018)
Projected traffic2,005 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byRailroad
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 9B over Delaware & Hudson built?

It was built in 1988, making it 37 years old in 2025.

What condition is RTE 9B over Delaware & Hudson 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 July 2023.

How much traffic does RTE 9B over Delaware & Hudson carry?

About 1,922 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is RTE 9B over Delaware & Hudson?

The structure is 150 ft (45.7 m) long with a longest span of 62 ft (18.8 m) and a deck 37 ft wide.

Who owns RTE 9B over Delaware & Hudson?

It is owned by the State Highway Agency and maintained by the Railroad.