US Bridges

SR0422 Eb&wb over Alleg RIV/3001/2011/RR

Fair

Armstrong County, Pennsylvania · Judge J.Frank Graff · Structure no. 000000000003085

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Truss - Deck
Steel Continuous
Length
2,701 ft
3 main spans
Daily traffic
17,748
2023 count
Owner
State
State Highway Agency

About this bridge

SR0422 Eb&wb over Alleg RIV/3001/2011/RR is a steel continuous truss - deck carrying SR0422 Eb&wb over Alleg RIV/3001/2011/RR in Armstrong County, Pennsylvania. It was built in 1974, so it is 51 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 5 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 17,748 vehicles a day, roughly 22% of them trucks, projected to reach 24,629 by 2032. The structure is 2,701 ft (823.3 m) long and 85 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR0422 Eb&wb
CrossesAlleg RIV/3001/2011/RR
LocationJudge J.Frank Graff
RouteU.S. Route 422
CountyArmstrong County
StatePennsylvania
Coordinates40.79677, -79.5194
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27 US tons

Structure

Structure typeTruss - Deck
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+12 approach)
Design loadHS 20
Structure length2,701 ft (823.3 m)
Longest span420 ft (128 m)
Deck width85 ft (26 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic17,748 (2023)
Projected traffic24,629 by 2032
Trucks22%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR0422 Eb&wb over Alleg RIV/3001/2011/RR built?

It was built in 1974, making it 51 years old in 2025.

What condition is SR0422 Eb&wb over Alleg RIV/3001/2011/RR 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 July 2024.

How much traffic does SR0422 Eb&wb over Alleg RIV/3001/2011/RR carry?

About 17,748 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is SR0422 Eb&wb over Alleg RIV/3001/2011/RR?

The structure is 2,701 ft (823.3 m) long with a longest span of 420 ft (128 m) and a deck 85 ft wide.

Who owns SR0422 Eb&wb over Alleg RIV/3001/2011/RR?

It is owned by the State Highway Agency.