US Bridges

Guys Run RD over Guys Run

Good

Allegheny County, Pennsylvania · 1 1/2 Mi.N. of SR 0028 · Structure no. 000000000001402

Built
1936
89 years old
Condition
Good
inspected January 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
3,935
2024 count
Owner
State
State Highway Agency

About this bridge

Guys Run RD over Guys Run is a concrete slab carrying Guys Run RD over Guys Run in Allegheny County, Pennsylvania. It was built in 1936, so it is 89 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,935 vehicles a day, roughly 10% of them trucks, projected to reach 5,312 by 2032. The structure is 27 ft (8.2 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesGuys Run RD
CrossesGuys Run
Location1 1/2 Mi.N. of SR 0028
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.54998, -79.85824
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating59 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,935 (2024)
Projected traffic5,312 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$206,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Guys Run RD over Guys Run built?

It was built in 1936, making it 89 years old in 2025.

What condition is Guys Run RD over Guys Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does Guys Run RD over Guys Run carry?

About 3,935 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Guys Run RD over Guys Run?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns Guys Run RD over Guys Run?

It is owned by the State Highway Agency.