US Bridges

Swain Hill Road over Trib East Valley

Good

Allegany County, New York · 1.3 MI W Andover · Structure no. 000000002254610

Built
1989
36 years old
Condition
Good
inspected April 2024
Type
Slab
Wood or Timber
Length
30 ft
1 main span
Daily traffic
216
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Swain Hill Road over Trib East Valley is a wood or timber slab carrying Swain Hill Road over Trib East Valley in Allegany County, New York. It was built in 1989, so it is 36 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 216 vehicles a day, roughly 4% of them trucks, projected to reach 302 by 2040. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSwain Hill Road
CrossesTrib East Valley
Location1.3 MI W Andover
Coordinates42.16809, -77.80663
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic216 (2020)
Projected traffic302 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$689,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Swain Hill Road over Trib East Valley built?

It was built in 1989, making it 36 years old in 2025.

What condition is Swain Hill Road over Trib East Valley 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 April 2024.

How much traffic does Swain Hill Road over Trib East Valley carry?

About 216 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Swain Hill Road over Trib East Valley?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Swain Hill Road over Trib East Valley?

It is owned by the Town or Township Highway Agency.