US Bridges

Ramp C RD over Traffic Route 28 N.B.

Fair

Allegheny County, Pennsylvania · Rp.From High.Prk.To 28 SB · Structure no. 000000000002849

Built
1960
65 years old, rebuilt 1994
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
248 ft
3 main spans
Daily traffic
12,333
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp C RD over Traffic Route 28 N.B. is a steel stringer/multi-beam or girder carrying Ramp C RD over Traffic Route 28 N.B. in Allegheny County, Pennsylvania. It was built in 1960 and reconstructed in 1994, so it is 65 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 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 12,333 vehicles a day, roughly 4% of them trucks, projected to reach 13,460 by 2032. The structure is 248 ft (75.6 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp C RD
CrossesTraffic Route 28 N.B.
LocationRp.From High.Prk.To 28 SB
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.49576, -79.91038
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length248 ft (75.6 m)
Longest span86 ft (26.2 m)
Deck width26 ft (8 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,333 (2024)
Projected traffic13,460 by 2032
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp C RD over Traffic Route 28 N.B. built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1994.

What condition is Ramp C RD over Traffic Route 28 N.B. 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 April 2024.

How much traffic does Ramp C RD over Traffic Route 28 N.B. carry?

About 12,333 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Ramp C RD over Traffic Route 28 N.B.?

The structure is 248 ft (75.6 m) long with a longest span of 86 ft (26.2 m) and a deck 26 ft wide.

Who owns Ramp C RD over Traffic Route 28 N.B.?

It is owned by the State Highway Agency.