US Bridges

Sedgwick ST over Girtys Run

Fair

Allegheny County, Pennsylvania · SW of Grant St. · Structure no. 000000000002623

Built
1911
114 years old, rebuilt 1990
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
200
2005 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sedgwick ST over Girtys Run is a steel stringer/multi-beam or girder carrying Sedgwick ST over Girtys Run in Allegheny County, Pennsylvania. It was built in 1911 and reconstructed in 1990, 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 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 200 by 2025. The structure is 31 ft (9.4 m) long and 15 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSedgwick ST
CrossesGirtys Run
LocationSW of Grant St.
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.47942, -79.97489
Functional classUrban Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2005)
Projected traffic200 by 2025
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
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$20,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sedgwick ST over Girtys Run built?

It was built in 1911, making it 114 years old in 2025. It was reconstructed in 1990.

What condition is Sedgwick ST over Girtys Run 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 April 2023.

How much traffic does Sedgwick ST over Girtys Run carry?

About 200 vehicles per day (2005 count), of which roughly 6% are trucks.

How long is Sedgwick ST over Girtys Run?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 15 ft wide.

Who owns Sedgwick ST over Girtys Run?

It is owned by the City or Municipal Highway Agency.