US Bridges

Ramp NO.1 RD over CSX RR (3 River Railway)

Poor

Allegheny County, Pennsylvania · 304003 Rmp 1 @w Fifth Ave · Structure no. 000000000002517

Built
1945
80 years old
Condition
Poor
inspected October 2023
Type
Girder and Floorbeam System
Steel
Length
83 ft
1 main span
Daily traffic
1,138
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ramp NO.1 RD over CSX RR (3 River Railway) is a steel girder and floorbeam system carrying Ramp NO.1 RD over CSX RR (3 River Railway) in Allegheny County, Pennsylvania. It was built in 1945, so it is 80 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 1,138 vehicles a day, roughly 7% of them trucks, projected to reach 5,000 by 2030. The structure is 83 ft (25.3 m) long and 40 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRamp NO.1 RD
CrossesCSX RR (3 River Railway)
Location304003 Rmp 1 @w Fifth Ave
RouteState Highway 0
Coordinates40.35092, -79.87036
Functional classUrban Local

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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating42 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span80 ft (24.4 m)
Deck width40 ft (12.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,138 (2024)
Projected traffic5,000 by 2030
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$399,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp NO.1 RD over CSX RR (3 River Railway) built?

It was built in 1945, making it 80 years old in 2025.

What condition is Ramp NO.1 RD over CSX RR (3 River Railway) 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 October 2023.

How much traffic does Ramp NO.1 RD over CSX RR (3 River Railway) carry?

About 1,138 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp NO.1 RD over CSX RR (3 River Railway)?

The structure is 83 ft (25.3 m) long with a longest span of 80 ft (24.4 m) and a deck 40 ft wide.

Who owns Ramp NO.1 RD over CSX RR (3 River Railway)?

It is owned by the City or Municipal Highway Agency.