US Bridges

County Road 77 over Rondout Creek

Fair

Ulster County, New York · 1 MI NE JCT Rts. 44 & 209 · Structure no. 000000003346530

Built
2011
14 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
164 ft
2 main spans
Daily traffic
2,610
2019 count
Owner
County
County Highway Agency

About this bridge

County Road 77 over Rondout Creek is a prestressed concrete box beam or girders - multiple carrying County Road 77 over Rondout Creek in Ulster County, New York. It was built in 2011, so it is 14 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 2,610 vehicles a day, roughly 6% of them trucks, projected to reach 3,654 by 2039. The structure is 164 ft (50 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesCounty Road 77
CrossesRondout Creek
Location1 MI NE JCT Rts. 44 & 209
RouteCounty Highway 0
CountyUlster County
StateNew York
Coordinates41.77306, -74.29717
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating110.1 US tons
Inventory rating83 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length164 ft (50 m)
Longest span80 ft (24.5 m)
Deck width44 ft (13.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,610 (2019)
Projected traffic3,654 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$4.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 77 over Rondout Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is County Road 77 over Rondout 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 April 2023.

How much traffic does County Road 77 over Rondout Creek carry?

About 2,610 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is County Road 77 over Rondout Creek?

The structure is 164 ft (50 m) long with a longest span of 80 ft (24.5 m) and a deck 44 ft wide.

Who owns County Road 77 over Rondout Creek?

It is owned by the County Highway Agency.