US Bridges

Trippany Road over Little Salmon River

Good

Franklin County, New York · 2.4 MI S of Bangor · Structure no. 000000003337170

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
124
2021 count
Owner
County
County Highway Agency

About this bridge

Trippany Road over Little Salmon River is a steel stringer/multi-beam or girder carrying Trippany Road over Little Salmon River in Franklin County, New York. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 124 vehicles a day, roughly 17% of them trucks, projected to reach 174 by 2041. The structure is 52 ft (15.8 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesTrippany Road
CrossesLittle Salmon River
Location2.4 MI S of Bangor
Coordinates44.77537, -74.39132
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 25 or greater
Structure length52 ft (15.8 m)
Longest span48 ft (14.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic124 (2021)
Projected traffic174 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Trippany Road over Little Salmon River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Trippany Road over Little Salmon River 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 Trippany Road over Little Salmon River carry?

About 124 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is Trippany Road over Little Salmon River?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m) and a deck 26 ft wide.

Who owns Trippany Road over Little Salmon River?

It is owned by the County Highway Agency.