US Bridges

River Road over Twaalfskill Creek

Good

Ulster County, New York · At Highland · Structure no. 000000002264230

Built
2006
19 years old
Condition
Good
inspected December 2024
Type
Frame
Concrete
Length
27 ft
1 main span
Daily traffic
283
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

River Road over Twaalfskill Creek is a concrete frame carrying River Road over Twaalfskill Creek in Ulster County, New York. It was built in 2006, so it is 19 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 283 vehicles a day, roughly 5% of them trucks, projected to reach 396 by 2041. The structure is 27 ft (8.2 m) long and 29 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRiver Road
CrossesTwaalfskill Creek
LocationAt Highland
Coordinates41.71855, -73.95471
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic283 (2021)
Projected traffic396 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was River Road over Twaalfskill Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is River Road over Twaalfskill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does River Road over Twaalfskill Creek carry?

About 283 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is River Road over Twaalfskill Creek?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns River Road over Twaalfskill Creek?

It is owned by the Town or Township Highway Agency.