US Bridges

Ewing RD over Montour Run

Fair

Allegheny County, Pennsylvania · 1 Mi.Sw of Neville Isle. · Structure no. 000000000001841

Built
1987
38 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
153 ft
2 main spans
Daily traffic
1,610
2024 count
Owner
State
State Highway Agency

About this bridge

Ewing RD over Montour Run is a steel stringer/multi-beam or girder carrying Ewing RD over Montour Run in Allegheny County, Pennsylvania. It was built in 1987, so it is 38 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 1,610 vehicles a day, roughly 2% of them trucks, projected to reach 1,827 by 2032. The structure is 153 ft (46.6 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesEwing RD
CrossesMontour Run
Location1 Mi.Sw of Neville Isle.
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.49107, -80.15023
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span74 ft (22.6 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,610 (2024)
Projected traffic1,827 by 2032
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ewing RD over Montour Run built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ewing RD over Montour 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 May 2023.

How much traffic does Ewing RD over Montour Run carry?

About 1,610 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Ewing RD over Montour Run?

The structure is 153 ft (46.6 m) long with a longest span of 74 ft (22.6 m) and a deck 32 ft wide.

Who owns Ewing RD over Montour Run?

It is owned by the State Highway Agency.