US Bridges

SR8008 Ramp Only over N/A

Fair

Armstrong County, Pennsylvania · Graff Ramp · Structure no. 000000000003424

Built
1980
45 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
594 ft
5 main spans
Daily traffic
2,854
2024 count
Owner
State
State Highway Agency

About this bridge

SR8008 Ramp Only over N/A is a steel continuous stringer/multi-beam or girder carrying SR8008 Ramp Only over N/A in Armstrong County, Pennsylvania. It was built in 1980, so it is 45 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 2,854 vehicles a day, roughly 10% of them trucks, projected to reach 3,755 by 2032. The structure is 594 ft (181.1 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR8008 Ramp Only
CrossesN/A
LocationGraff Ramp
RouteState Highway 0
CountyArmstrong County
StatePennsylvania
Coordinates40.79503, -79.51507
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating106 US tons
Inventory rating64 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length594 ft (181.1 m)
Longest span138 ft (42.1 m)
Deck width35 ft (10.8 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,854 (2024)
Projected traffic3,755 by 2032
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed3.7 mi (6 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$714,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR8008 Ramp Only over N/A built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR8008 Ramp Only over N/A 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 March 2024.

How much traffic does SR8008 Ramp Only over N/A carry?

About 2,854 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR8008 Ramp Only over N/A?

The structure is 594 ft (181.1 m) long with a longest span of 138 ft (42.1 m) and a deck 35 ft wide.

Who owns SR8008 Ramp Only over N/A?

It is owned by the State Highway Agency.