US Bridges

Joe Mcmahon Road over Black Creek

Fair

Allegany County, New York · .7 Mile South of Birdsall · Structure no. 000000002214270

Built
1928
97 years old, rebuilt 2009
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
9
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Joe Mcmahon Road over Black Creek is a steel stringer/multi-beam or girder carrying Joe Mcmahon Road over Black Creek in Allegany County, New York. It was built in 1928 and reconstructed in 2009, so it is 97 years old, older 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 5 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 9 vehicles a day, roughly 25% of them trucks, projected to reach 13 by 2038. The structure is 31 ft (9.4 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesJoe Mcmahon Road
CrossesBlack Creek
Location.7 Mile South of Birdsall
CountyAllegany County
StateNew York
Coordinates42.38077, -77.92039
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating67 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width15 ft (4.7 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9 (2018)
Projected traffic13 by 2038
Trucks25%
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$264,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Joe Mcmahon Road over Black Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 2009.

What condition is Joe Mcmahon Road over Black 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 April 2023.

How much traffic does Joe Mcmahon Road over Black Creek carry?

About 9 vehicles per day (2018 count), of which roughly 25% are trucks.

How long is Joe Mcmahon Road over Black Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 15 ft wide.

Who owns Joe Mcmahon Road over Black Creek?

It is owned by the Town or Township Highway Agency.