US Bridges

Pa 283; SR 0300 over Swatara CR;RR:T-496

Fair

Dauphin County, Pennsylvania · 2 Mi. N. of Middletown · Structure no. 000000000014352

Built
1971
54 years old, rebuilt 2018
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
593 ft
7 main spans
Daily traffic
20,004
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 283; SR 0300 over Swatara CR;RR:T-496 is a prestressed concrete box beam or girders - multiple carrying Pa 283; SR 0300 over Swatara CR;RR:T-496 in Dauphin County, Pennsylvania. It was built in 1971 and reconstructed in 2018, so it is 54 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 20,004 vehicles a day, roughly 16% of them trucks, projected to reach 30,583 by 2045. The structure is 593 ft (180.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPa 283; SR 0300
CrossesSwatara CR;RR:T-496
Location2 Mi. N. of Middletown
RouteState Highway 283
Coordinates40.22603, -76.72677
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating32 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length593 ft (180.7 m)
Longest span84 ft (25.6 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,004 (2024)
Projected traffic30,583 by 2045
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 283; SR 0300 over Swatara CR;RR:T-496 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2018.

What condition is Pa 283; SR 0300 over Swatara CR;RR:T-496 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 Pa 283; SR 0300 over Swatara CR;RR:T-496 carry?

About 20,004 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Pa 283; SR 0300 over Swatara CR;RR:T-496?

The structure is 593 ft (180.7 m) long with a longest span of 84 ft (25.6 m) and a deck 44 ft wide.

Who owns Pa 283; SR 0300 over Swatara CR;RR:T-496?

It is owned by the State Highway Agency.