US Bridges

Broadway Av over Dirty Camp Run

Poor

Allegheny County, Pennsylvania · 1/2 Mile West of TR 48 · Structure no. 000000000000935

Built
1929
96 years old
Condition
Poor
inspected March 2024
Type
Arch - Deck
Masonry
Length
20 ft
1 main span
Daily traffic
10,576
2024 count
Owner
State
State Highway Agency

About this bridge

Broadway Av over Dirty Camp Run is a masonry arch - deck carrying Broadway Av over Dirty Camp Run in Allegheny County, Pennsylvania. It was built in 1929, so it is 96 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.

It carries about 10,576 vehicles a day, roughly 6% of them trucks, projected to reach 12,022 by 2032. The structure is 20 ft (6.1 m) long and 45 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBroadway Av
CrossesDirty Camp Run
Location1/2 Mile West of TR 48
RouteState Highway 130
Coordinates40.40166, -79.77852
Functional classUrban Other Principal Arterial

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
Superstructure4 PoorAdvanced section loss, deterioration, 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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width45 ft (13.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,576 (2024)
Projected traffic12,022 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byCity or Municipal 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$449,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Broadway Av over Dirty Camp Run built?

It was built in 1929, making it 96 years old in 2025.

What condition is Broadway Av over Dirty Camp Run 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 2024.

How much traffic does Broadway Av over Dirty Camp Run carry?

About 10,576 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Broadway Av over Dirty Camp Run?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 45 ft wide.

Who owns Broadway Av over Dirty Camp Run?

It is owned by the State Highway Agency and maintained by the City or Municipal Highway Agency.