US Bridges

T-501 Boltz Road over Buffalo & Pitt RR

PoorPosted for load

Armstrong County, Pennsylvania · 1/2 Miles West of SR-0268 · Structure no. 000000000003367

Built
1900
125 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
78 ft
3 main spans
Daily traffic
250
2022 count
Owner
Railroad
Railroad

About this bridge

T-501 Boltz Road over Buffalo & Pitt RR is a wood or timber stringer/multi-beam or girder carrying T-501 Boltz Road over Buffalo & Pitt RR in Armstrong County, Pennsylvania. It was built in 1900, so it is 125 years old, older than the Pennsylvania average of 54.8 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 250 vehicles a day, roughly 9% of them trucks, projected to reach 275 by 2042. The structure is 78 ft (23.8 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-501 Boltz Road
CrossesBuffalo & Pitt RR
Location1/2 Miles West of SR-0268
RouteCity Street 0
Coordinates40.8725, -79.5923
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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating8 US tons
Inventory rating5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length78 ft (23.8 m)
Longest span29 ft (8.8 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic275 by 2042
Trucks9%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byRailroad
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$718,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-501 Boltz Road over Buffalo & Pitt RR built?

It was built in 1900, making it 125 years old in 2025.

What condition is T-501 Boltz Road over Buffalo & Pitt RR 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 March 2023.

How much traffic does T-501 Boltz Road over Buffalo & Pitt RR carry?

About 250 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is T-501 Boltz Road over Buffalo & Pitt RR?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 16 ft wide.

Who owns T-501 Boltz Road over Buffalo & Pitt RR?

It is owned by the Railroad.