US Bridges

I-83 Nb; SR 0083 over Norfolk Southern

Fair

Dauphin County, Pennsylvania · Swatara Township 3007K10 · Structure no. 000000000014274

Built
1970
55 years old
Condition
Fair
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
32,104
2024 count
Owner
State
State Highway Agency

About this bridge

I-83 Nb; SR 0083 over Norfolk Southern is a prestressed concrete box beam or girders - multiple carrying I-83 Nb; SR 0083 over Norfolk Southern in Dauphin County, Pennsylvania. It was built in 1970, so it is 55 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 32,104 vehicles a day, roughly 16% of them trucks, projected to reach 46,745 by 2032. The structure is 180 ft (54.9 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-83 Nb; SR 0083
CrossesNorfolk Southern
LocationSwatara Township 3007K10
RouteInterstate 83
CountyDauphin County
StatePennsylvania
Coordinates40.25461, -76.81064
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span72 ft (21.9 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,104 (2024)
Projected traffic46,745 by 2032
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$959,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-83 Nb; SR 0083 over Norfolk Southern built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-83 Nb; SR 0083 over Norfolk Southern 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 November 2022.

How much traffic does I-83 Nb; SR 0083 over Norfolk Southern carry?

About 32,104 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is I-83 Nb; SR 0083 over Norfolk Southern?

The structure is 180 ft (54.9 m) long with a longest span of 72 ft (21.9 m) and a deck 48 ft wide.

Who owns I-83 Nb; SR 0083 over Norfolk Southern?

It is owned by the State Highway Agency.