US Bridges

Clairton-Glassport over Mon Nsrc CSX Urr

Fair

Allegheny County, Pennsylvania · Clairton-Glassport Bridge · Structure no. 000000000001552

Built
1987
38 years old, rebuilt 2013
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,190 ft
3 main spans
Daily traffic
6,432
2023 count
Owner
State
State Highway Agency

About this bridge

Clairton-Glassport over Mon Nsrc CSX Urr is a steel continuous stringer/multi-beam or girder carrying Clairton-Glassport over Mon Nsrc CSX Urr in Allegheny County, Pennsylvania. It was built in 1987 and reconstructed in 2013, so it is 38 years old, younger 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 6,432 vehicles a day, roughly 1% of them trucks, projected to reach 13,937 by 2032. The structure is 2,190 ft (667.5 m) long and 46 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesClairton-Glassport
CrossesMon Nsrc CSX Urr
LocationClairton-Glassport Bridge
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.31014, -79.89091
Functional classUrban Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+14 approach)
Design loadHS 20
Structure length2,190 ft (667.5 m)
Longest span400 ft (121.9 m)
Deck width46 ft (13.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deck18 ft (5.6 m)

Traffic and service

Average daily traffic6,432 (2023)
Projected traffic13,937 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$1.2 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Clairton-Glassport over Mon Nsrc CSX Urr built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2013.

What condition is Clairton-Glassport over Mon Nsrc CSX Urr 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 June 2023.

How much traffic does Clairton-Glassport over Mon Nsrc CSX Urr carry?

About 6,432 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Clairton-Glassport over Mon Nsrc CSX Urr?

The structure is 2,190 ft (667.5 m) long with a longest span of 400 ft (121.9 m) and a deck 46 ft wide.

Who owns Clairton-Glassport over Mon Nsrc CSX Urr?

It is owned by the State Highway Agency.