US Bridges

Baum Bl over N-S RR Pat East Busway

Fair

Allegheny County, Pennsylvania · 008 Baum Blvd Bridge · Structure no. 000000000001230

Built
1913
112 years old, rebuilt 1986
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
370 ft
3 main spans
Daily traffic
17,746
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Baum Bl over N-S RR Pat East Busway is a steel continuous stringer/multi-beam or girder carrying Baum Bl over N-S RR Pat East Busway in Allegheny County, Pennsylvania. It was built in 1913 and reconstructed in 1986, so it is 112 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 17,746 vehicles a day, roughly 2% of them trucks, projected to reach 52,000 by 2030. The structure is 370 ft (112.8 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBaum Bl
CrossesN-S RR Pat East Busway
Location008 Baum Blvd Bridge
RouteState Highway 380
CountyAllegheny County
StatePennsylvania
Coordinates40.45533, -79.9442
Functional classUrban Other Principal 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length370 ft (112.8 m)
Longest span146 ft (44.5 m)
Deck width60 ft (18.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,746 (2024)
Projected traffic52,000 by 2030
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Baum Bl over N-S RR Pat East Busway built?

It was built in 1913, making it 112 years old in 2025. It was reconstructed in 1986.

What condition is Baum Bl over N-S RR Pat East Busway 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 May 2023.

How much traffic does Baum Bl over N-S RR Pat East Busway carry?

About 17,746 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Baum Bl over N-S RR Pat East Busway?

The structure is 370 ft (112.8 m) long with a longest span of 146 ft (44.5 m) and a deck 60 ft wide.

Who owns Baum Bl over N-S RR Pat East Busway?

It is owned by the City or Municipal Highway Agency.