US Bridges

US 422; SR 0422 over US 322; SR 0322

Fair

Dauphin County, Pennsylvania · 1 Mi. E. Hummelstown · Structure no. 000000000014384

Built
1953
72 years old, rebuilt 2015
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
156 ft
3 main spans
Daily traffic
20,371
2024 count
Owner
State
State Highway Agency

About this bridge

US 422; SR 0422 over US 322; SR 0322 is a steel continuous stringer/multi-beam or girder carrying US 422; SR 0422 over US 322; SR 0322 in Dauphin County, Pennsylvania. It was built in 1953 and reconstructed in 2015, so it is 72 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 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 20,371 vehicles a day, roughly 5% of them trucks, projected to reach 24,445 by 2045. The structure is 156 ft (47.5 m) long and 78 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS 422; SR 0422
CrossesUS 322; SR 0322
Location1 Mi. E. Hummelstown
RouteU.S. Route 422
CountyDauphin County
StatePennsylvania
Coordinates40.26603, -76.68697
Functional classUrban Other Principal Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating74 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span57 ft (17.4 m)
Deck width78 ft (23.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,371 (2024)
Projected traffic24,445 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$947,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 422; SR 0422 over US 322; SR 0322 built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2015.

What condition is US 422; SR 0422 over US 322; SR 0322 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 September 2024.

How much traffic does US 422; SR 0422 over US 322; SR 0322 carry?

About 20,371 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is US 422; SR 0422 over US 322; SR 0322?

The structure is 156 ft (47.5 m) long with a longest span of 57 ft (17.4 m) and a deck 78 ft wide.

Who owns US 422; SR 0422 over US 322; SR 0322?

It is owned by the State Highway Agency.