US Bridges

Monongahela Road over Beckets Run

Fair

Allegheny County, Pennsylvania · 300FT SW of SR 2013 · Structure no. 000000000000958

Built
1930
95 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
4,603
2024 count
Owner
State
State Highway Agency

About this bridge

Monongahela Road over Beckets Run is a steel stringer/multi-beam or girder carrying Monongahela Road over Beckets Run in Allegheny County, Pennsylvania. It was built in 1930, so it is 95 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 4,603 vehicles a day, roughly 7% of them trucks, projected to reach 6,638 by 2032. The structure is 28 ft (8.5 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMonongahela Road
CrossesBeckets Run
Location300FT SW of SR 2013
RouteState Highway 136
CountyAllegheny County
StatePennsylvania
Coordinates40.20533, -79.85869
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span24 ft (7.3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,603 (2024)
Projected traffic6,638 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$90,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Monongahela Road over Beckets Run built?

It was built in 1930, making it 95 years old in 2025.

What condition is Monongahela Road over Beckets 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 January 2024.

How much traffic does Monongahela Road over Beckets Run carry?

About 4,603 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Monongahela Road over Beckets Run?

The structure is 28 ft (8.5 m) long with a longest span of 24 ft (7.3 m) and a deck 40 ft wide.

Who owns Monongahela Road over Beckets Run?

It is owned by the State Highway Agency.