US Bridges

Golden Mile HWY over Humms Run

Fair

Allegheny County, Pennsylvania · 1 Mile from County Line · Structure no. 000000000001104

Built
1950
75 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
13,769
2024 count
Owner
State
State Highway Agency

About this bridge

Golden Mile HWY over Humms Run is a concrete tee beam carrying Golden Mile HWY over Humms Run in Allegheny County, Pennsylvania. It was built in 1950, so it is 75 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 13,769 vehicles a day, roughly 10% of them trucks, projected to reach 19,498 by 2032. The structure is 32 ft (9.8 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesGolden Mile HWY
CrossesHumms Run
Location1 Mile from County Line
RouteState Highway 286
CountyAllegheny County
StatePennsylvania
Coordinates40.459, -79.70757
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating45 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,769 (2024)
Projected traffic19,498 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Golden Mile HWY over Humms Run built?

It was built in 1950, making it 75 years old in 2025.

What condition is Golden Mile HWY over Humms 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 September 2023.

How much traffic does Golden Mile HWY over Humms Run carry?

About 13,769 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Golden Mile HWY over Humms Run?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 42 ft wide.

Who owns Golden Mile HWY over Humms Run?

It is owned by the State Highway Agency.