US Bridges

South Main Street over Dyke Creek

Fair

Allegany County, New York · 0.16 MI NW of Route 417 · Structure no. 000000002254620

Built
1991
34 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
123 ft
2 main spans
Daily traffic
4,598
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

South Main Street over Dyke Creek is a prestressed concrete box beam or girders - multiple carrying South Main Street over Dyke Creek in Allegany County, New York. It was built in 1991, so it is 34 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 4,598 vehicles a day, roughly 4% of them trucks, projected to reach 5,585 by 2041. The structure is 123 ft (37.5 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSouth Main Street
CrossesDyke Creek
Location0.16 MI NW of Route 417
RouteCity Street 0
Coordinates42.11786, -77.94129
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span58 ft (17.6 m)
Deck width48 ft (14.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,598 (2021)
Projected traffic5,585 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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$2.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Main Street over Dyke Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is South Main Street over Dyke 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 2023.

How much traffic does South Main Street over Dyke Creek carry?

About 4,598 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is South Main Street over Dyke Creek?

The structure is 123 ft (37.5 m) long with a longest span of 58 ft (17.6 m) and a deck 48 ft wide.

Who owns South Main Street over Dyke Creek?

It is owned by the Town or Township Highway Agency.