US Bridges

Pa 283; SR 0300 over Iron Run

Fair

Dauphin County, Pennsylvania · 2 Mi. E. of Middletown · Structure no. 000000000014355

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
43 ft
1 main span
Daily traffic
37,427
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 283; SR 0300 over Iron Run is a concrete culvert carrying Pa 283; SR 0300 over Iron Run in Dauphin County, Pennsylvania. It was built in 1969, 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 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 37,427 vehicles a day, roughly 15% of them trucks, projected to reach 64,108 by 2032. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesPa 283; SR 0300
CrossesIron Run
Location2 Mi. E. of Middletown
RouteState Highway 283
CountyDauphin County
StatePennsylvania
Coordinates40.20353, -76.70421
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span43 ft (13.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,427 (2024)
Projected traffic64,108 by 2032
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Iron Run built?

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

What condition is Pa 283; SR 0300 over Iron Run 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 Iron Run carry?

About 37,427 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Pa 283; SR 0300 over Iron Run?

The structure is 43 ft (13.1 m) long with a longest span of 43 ft (13.1 m).

Who owns Pa 283; SR 0300 over Iron Run?

It is owned by the State Highway Agency.