US Bridges

Gregg Station RD over Robinson Run

Fair

Allegheny County, Pennsylvania · Collier Twp · Structure no. 000000000044419

Built
2008
17 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
500
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Gregg Station RD over Robinson Run is a prestressed concrete box beam or girders - multiple carrying Gregg Station RD over Robinson Run in Allegheny County, Pennsylvania. It was built in 2008, so it is 17 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 6 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 550 by 2039. The structure is 70 ft (21.3 m) long and 17 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGregg Station RD
CrossesRobinson Run
LocationCollier Twp
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.40603, -80.1664
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating79 US tons
Inventory rating49.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span69 ft (21 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2018)
Projected traffic550 by 2039
Trucks5%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gregg Station RD over Robinson Run built?

It was built in 2008, making it 17 years old in 2025.

What condition is Gregg Station RD over Robinson 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 February 2024.

How much traffic does Gregg Station RD over Robinson Run carry?

About 500 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Gregg Station RD over Robinson Run?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (21 m) and a deck 17 ft wide.

Who owns Gregg Station RD over Robinson Run?

It is owned by the Town or Township Highway Agency.