US Bridges

Narrows Road over Slader Creek

Good

Allegany County, New York · 1.7 MI S of Canaseraga · Structure no. 000000002214400

Built
1932
93 years old, rebuilt 2019
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
38
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Narrows Road over Slader Creek is a prestressed concrete box beam or girders - multiple carrying Narrows Road over Slader Creek in Allegany County, New York. It was built in 1932 and reconstructed in 2019, so it is 93 years old, older 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 38 vehicles a day, roughly 43% of them trucks, projected to reach 53 by 2039. The structure is 63 ft (19.2 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesNarrows Road
CrossesSlader Creek
Location1.7 MI S of Canaseraga
Coordinates42.43191, -77.78135
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span61 ft (18.6 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (2019)
Projected traffic53 by 2039
Trucks43%
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

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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Narrows Road over Slader Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2019.

What condition is Narrows Road over Slader Creek 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 2023.

How much traffic does Narrows Road over Slader Creek carry?

About 38 vehicles per day (2019 count), of which roughly 43% are trucks.

How long is Narrows Road over Slader Creek?

The structure is 63 ft (19.2 m) long with a longest span of 61 ft (18.6 m) and a deck 32 ft wide.

Who owns Narrows Road over Slader Creek?

It is owned by the Town or Township Highway Agency.