US Bridges

Ross Hill Road over Alder Swamp Creek

Fair

Tioga County, New York · 3.0 MI N of Smithboro · Structure no. 000000002219070

Built
1934
91 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
104
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Ross Hill Road over Alder Swamp Creek is a steel stringer/multi-beam or girder carrying Ross Hill Road over Alder Swamp Creek in Tioga County, New York. It was built in 1934, so it is 91 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 104 vehicles a day, roughly 8% of them trucks, projected to reach 146 by 2036. The structure is 24 ft (7.3 m) long and 23 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesRoss Hill Road
CrossesAlder Swamp Creek
Location3.0 MI N of Smithboro
CountyTioga County
StateNew York
Coordinates42.07434, -76.40089
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 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; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span20 ft (6 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104 (2016)
Projected traffic146 by 2036
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$507,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ross Hill Road over Alder Swamp Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is Ross Hill Road over Alder Swamp 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 May 2023.

How much traffic does Ross Hill Road over Alder Swamp Creek carry?

About 104 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is Ross Hill Road over Alder Swamp Creek?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6 m) and a deck 23 ft wide.

Who owns Ross Hill Road over Alder Swamp Creek?

It is owned by the Town or Township Highway Agency.