US Bridges

RTE 357 over Treadwell Creek

Fair

Delaware County, New York · 2.7 MI NE of Franklin · Structure no. 000000001004380

Built
2006
19 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
2,349
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 357 over Treadwell Creek is a prestressed concrete box beam or girders - multiple carrying RTE 357 over Treadwell Creek in Delaware 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 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 2,349 vehicles a day, roughly 7% of them trucks, projected to reach 2,450 by 2041. The structure is 82 ft (25 m) long and 38 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesRTE 357
CrossesTreadwell Creek
Location2.7 MI NE of Franklin
RouteState Highway 357
Coordinates42.36267, -75.12383
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length82 ft (25 m)
Longest span79 ft (24.1 m)
Deck width38 ft (11.6 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,349 (2020)
Projected traffic2,450 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 357 over Treadwell Creek built?

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

What condition is RTE 357 over Treadwell 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 July 2024.

How much traffic does RTE 357 over Treadwell Creek carry?

About 2,349 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is RTE 357 over Treadwell Creek?

The structure is 82 ft (25 m) long with a longest span of 79 ft (24.1 m) and a deck 38 ft wide.

Who owns RTE 357 over Treadwell Creek?

It is owned by the State Highway Agency.