US Bridges

Boyds Hollow Road over Boyds Hollow Run

Fair

Allegheny County, Pennsylvania · .2 MI SW of SR 2017 · Structure no. 000000000001511

Built
1936
89 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
152
2024 count
Owner
State
State Highway Agency

About this bridge

Boyds Hollow Road over Boyds Hollow Run is a steel stringer/multi-beam or girder carrying Boyds Hollow Road over Boyds Hollow Run in Allegheny County, Pennsylvania. It was built in 1936, so it is 89 years old, older than the Pennsylvania average of 54.8 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 152 vehicles a day, roughly 7% of them trucks, projected to reach 1,078 by 2032. The structure is 25 ft (7.6 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBoyds Hollow Road
CrossesBoyds Hollow Run
Location.2 MI SW of SR 2017
RouteState Highway 0
Coordinates40.26997, -79.80001
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating54 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic152 (2024)
Projected traffic1,078 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$231,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Boyds Hollow Road over Boyds Hollow Run built?

It was built in 1936, making it 89 years old in 2025.

What condition is Boyds Hollow Road over Boyds Hollow Run 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 January 2024.

How much traffic does Boyds Hollow Road over Boyds Hollow Run carry?

About 152 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Boyds Hollow Road over Boyds Hollow Run?

The structure is 25 ft (7.6 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Boyds Hollow Road over Boyds Hollow Run?

It is owned by the State Highway Agency.