US Bridges

I-83 Sb; SR 0083 over SR 0081 NB & SR 0083 NB

Fair

Dauphin County, Pennsylvania · Upper Level (3LEV Cross) · Structure no. 000000000014289

Built
1969
56 years old, rebuilt 2004
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
252 ft
1 main span
Daily traffic
32,347
2024 count
Owner
State
State Highway Agency

About this bridge

I-83 Sb; SR 0083 over SR 0081 NB & SR 0083 NB is a steel stringer/multi-beam or girder carrying I-83 Sb; SR 0083 over SR 0081 NB & SR 0083 NB in Dauphin County, Pennsylvania. It was built in 1969 and reconstructed in 2004, so it is 56 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 32,347 vehicles a day, roughly 18% of them trucks, projected to reach 49,799 by 2032. The structure is 252 ft (76.8 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesI-83 Sb; SR 0083
CrossesSR 0081 NB & SR 0083 NB
LocationUpper Level (3LEV Cross)
RouteInterstate 83
CountyDauphin County
StatePennsylvania
Coordinates40.30861, -76.83424
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.
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 inspectionDecember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span122 ft (37.2 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,347 (2024)
Projected traffic49,799 by 2032
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed6.2 mi (10 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$156,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-83 Sb; SR 0083 over SR 0081 NB & SR 0083 NB built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2004.

What condition is I-83 Sb; SR 0083 over SR 0081 NB & SR 0083 NB 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 December 2022.

How much traffic does I-83 Sb; SR 0083 over SR 0081 NB & SR 0083 NB carry?

About 32,347 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is I-83 Sb; SR 0083 over SR 0081 NB & SR 0083 NB?

The structure is 252 ft (76.8 m) long with a longest span of 122 ft (37.2 m) and a deck 36 ft wide.

Who owns I-83 Sb; SR 0083 over SR 0081 NB & SR 0083 NB?

It is owned by the State Highway Agency.