US Bridges

RTE 17 over Twadell Brook

Fair

Delaware County, New York · 0.8 MI E JCT Rts 17 + 30 · Structure no. 000000001013460

Built
1961
64 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
5,984
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 17 over Twadell Brook is a concrete continuous culvert carrying RTE 17 over Twadell Brook in Delaware County, New York. It was built in 1961, so it is 64 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 5,984 vehicles a day, roughly 22% of them trucks, projected to reach 9,338 by 2041. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 17
CrossesTwadell Brook
Location0.8 MI E JCT Rts 17 + 30
RouteState Highway 17
CountyDelaware County
StateNew York
Coordinates41.98715, -75.1188
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating32.2 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,984 (2021)
Projected traffic9,338 by 2041
Trucks22%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 17 over Twadell Brook built?

It was built in 1961, making it 64 years old in 2025.

What condition is RTE 17 over Twadell Brook 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 2023.

How much traffic does RTE 17 over Twadell Brook carry?

About 5,984 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is RTE 17 over Twadell Brook?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns RTE 17 over Twadell Brook?

It is owned by the State Highway Agency.