US Bridges

Lincoln Av over Girtys Run

PoorClosed to traffic

Allegheny County, Pennsylvania · 445007 at North Ave · Structure no. 000000000002621

Built
1911
114 years old, rebuilt 1950
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
4,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lincoln Av over Girtys Run is a steel stringer/multi-beam or girder carrying Lincoln Av over Girtys Run in Allegheny County, Pennsylvania. It was built in 1911 and reconstructed in 1950, so it is 114 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 1 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: closed to all traffic.

It carries about 4,500 vehicles a day, roughly 6% of them trucks, projected to reach 4,500 by 2042. The structure is 29 ft (8.8 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLincoln Av
CrossesGirtys Run
Location445007 at North Ave
RouteCity Street 0
Coordinates40.48151, -79.97399
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating4 US tons
Inventory rating2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width50 ft (15.2 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic4,500 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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$123,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lincoln Av over Girtys Run built?

It was built in 1911, making it 114 years old in 2025. It was reconstructed in 1950.

What condition is Lincoln Av over Girtys 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 April 2023.

How much traffic does Lincoln Av over Girtys Run carry?

About 4,500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Lincoln Av over Girtys Run?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 50 ft wide.

Who owns Lincoln Av over Girtys Run?

It is owned by the City or Municipal Highway Agency.