US Bridges

Eighth Ave over Homestead Run

Poor

Allegheny County, Pennsylvania · At US Steel Plant · Structure no. 000000000001280

Built
1940
85 years old
Condition
Poor
inspected April 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
13,386
2023 count
Owner
State
State Highway Agency

About this bridge

Eighth Ave over Homestead Run is a concrete culvert carrying Eighth Ave over Homestead Run in Allegheny County, Pennsylvania. It was built in 1940, so it is 85 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 13,386 vehicles a day, roughly 6% of them trucks, projected to reach 23,767 by 2032. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesEighth Ave
CrossesHomestead Run
LocationAt US Steel Plant
RouteState Highway 837
Coordinates40.40787, -79.89218
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,386 (2023)
Projected traffic23,767 by 2032
Trucks6%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$265,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Eighth Ave over Homestead Run built?

It was built in 1940, making it 85 years old in 2025.

What condition is Eighth Ave over Homestead Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Eighth Ave over Homestead Run carry?

About 13,386 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Eighth Ave over Homestead Run?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m).

Who owns Eighth Ave over Homestead Run?

It is owned by the State Highway Agency.