US Bridges

Allen Road over Knights Creek

Fair

Allegany County, New York · 0.7 MI NE of Allentown · Structure no. 000000002254630

Built
1982
43 years old, rebuilt 2002
Condition
Fair
inspected August 2024
Type
Slab
Wood or Timber
Length
30 ft
1 main span
Daily traffic
39
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Allen Road over Knights Creek is a wood or timber slab carrying Allen Road over Knights Creek in Allegany County, New York. It was built in 1982 and reconstructed in 2002, so it is 43 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 39 vehicles a day, projected to reach 55 by 2040. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAllen Road
CrossesKnights Creek
Location0.7 MI NE of Allentown
Coordinates42.09025, -78.05717
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2020)
Projected traffic55 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$665,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Allen Road over Knights Creek built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 2002.

What condition is Allen Road over Knights 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 August 2024.

How much traffic does Allen Road over Knights Creek carry?

About 39 vehicles per day (2020 count).

How long is Allen Road over Knights Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns Allen Road over Knights Creek?

It is owned by the Town or Township Highway Agency.