US Bridges

South Negley Av over N-S RR & Pat Ebusway

PoorPosted for load

Allegheny County, Pennsylvania · 102 S Negley Ave Bridge · Structure no. 000000000002453

Built
1924
101 years old, rebuilt 1973
Condition
Poor
inspected November 2023
Type
Truss - Thru
Steel
Length
106 ft
1 main span
Daily traffic
15,000
2005 count
Owner
City
City or Municipal Highway Agency

About this bridge

South Negley Av over N-S RR & Pat Ebusway is a steel truss - thru carrying South Negley Av over N-S RR & Pat Ebusway in Allegheny County, Pennsylvania. It was built in 1924 and reconstructed in 1973, so it is 101 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 15,000 vehicles a day, roughly 5% of them trucks, projected to reach 16,500 by 2030. The structure is 106 ft (32.3 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSouth Negley Av
CrossesN-S RR & Pat Ebusway
Location102 S Negley Ave Bridge
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.45628, -79.93349
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span104 ft (31.7 m)
Deck width50 ft (15.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2005)
Projected traffic16,500 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$335,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was South Negley Av over N-S RR & Pat Ebusway built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1973.

What condition is South Negley Av over N-S RR & Pat Ebusway 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 November 2023.

How much traffic does South Negley Av over N-S RR & Pat Ebusway carry?

About 15,000 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is South Negley Av over N-S RR & Pat Ebusway?

The structure is 106 ft (32.3 m) long with a longest span of 104 ft (31.7 m) and a deck 50 ft wide.

Who owns South Negley Av over N-S RR & Pat Ebusway?

It is owned by the City or Municipal Highway Agency.