US Bridges

Williams Grove Roa over Dyke Creek

PoorPosted for load

Allegany County, New York · 3 Miles NE of Wellsville · Structure no. 000000002254640

Built
1974
51 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
93 ft
2 main spans
Daily traffic
15
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Williams Grove Roa over Dyke Creek is a steel stringer/multi-beam or girder carrying Williams Grove Roa over Dyke Creek in Allegany County, New York. It was built in 1974, so it is 51 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, projected to reach 21 by 2039. The structure is 93 ft (28.3 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWilliams Grove Roa
CrossesDyke Creek
Location3 Miles NE of Wellsville
Coordinates42.14249, -77.88508
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22 US tons
Inventory rating13 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans2
Design loadUnknown
Structure length93 ft (28.3 m)
Longest span46 ft (14 m)
Deck width12 ft (3.8 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2019)
Projected traffic21 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$794,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Williams Grove Roa over Dyke Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Williams Grove Roa over Dyke Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Williams Grove Roa over Dyke Creek carry?

About 15 vehicles per day (2019 count).

How long is Williams Grove Roa over Dyke Creek?

The structure is 93 ft (28.3 m) long with a longest span of 46 ft (14 m) and a deck 12 ft wide.

Who owns Williams Grove Roa over Dyke Creek?

It is owned by the Town or Township Highway Agency.