US Bridges

Mount Royal Blvd over CSX RR

Good

Allegheny County, Pennsylvania · Near Duncan Ave · Structure no. 000000000041222

Built
2001
24 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
103 ft
1 main span
Daily traffic
3,269
2024 count
Owner
State
State Highway Agency

About this bridge

Mount Royal Blvd over CSX RR is a steel stringer/multi-beam or girder carrying Mount Royal Blvd over CSX RR in Allegheny County, Pennsylvania. It was built in 2001, so it is 24 years old, younger 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 3,269 vehicles a day, roughly 1% of them trucks, projected to reach 16,123 by 2032. The structure is 103 ft (31.4 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMount Royal Blvd
CrossesCSX RR
LocationNear Duncan Ave
RouteState Highway 0
Coordinates40.56667, -79.975
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.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.9 US tons
Inventory rating63.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span100 ft (30.5 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,269 (2024)
Projected traffic16,123 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mount Royal Blvd over CSX RR built?

It was built in 2001, making it 24 years old in 2025.

What condition is Mount Royal Blvd over CSX RR 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 May 2024.

How much traffic does Mount Royal Blvd over CSX RR carry?

About 3,269 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Mount Royal Blvd over CSX RR?

The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 39 ft wide.

Who owns Mount Royal Blvd over CSX RR?

It is owned by the State Highway Agency.