US Bridges

Twp Road 323 over Pa 283; SR 0300

Fair

Dauphin County, Pennsylvania · 2 Mi. E. Middletown · Structure no. 000000000014353

Built
1969
56 years old, rebuilt 2016
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
257 ft
4 main spans
Daily traffic
278
2024 count
Owner
State
State Highway Agency

About this bridge

Twp Road 323 over Pa 283; SR 0300 is a prestressed concrete stringer/multi-beam or girder carrying Twp Road 323 over Pa 283; SR 0300 in Dauphin County, Pennsylvania. It was built in 1969 and reconstructed in 2016, 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 278 vehicles a day, roughly 5% of them trucks, projected to reach 521 by 2032. The structure is 257 ft (78.3 m) long and 40 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesTwp Road 323
CrossesPa 283; SR 0300
Location2 Mi. E. Middletown
RouteState Highway 0
CountyDauphin County
StatePennsylvania
Coordinates40.2139, -76.70866
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length257 ft (78.3 m)
Longest span86 ft (26.2 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic278 (2024)
Projected traffic521 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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$340,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Twp Road 323 over Pa 283; SR 0300 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2016.

What condition is Twp Road 323 over Pa 283; SR 0300 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 Twp Road 323 over Pa 283; SR 0300 carry?

About 278 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Twp Road 323 over Pa 283; SR 0300?

The structure is 257 ft (78.3 m) long with a longest span of 86 ft (26.2 m) and a deck 40 ft wide.

Who owns Twp Road 323 over Pa 283; SR 0300?

It is owned by the State Highway Agency.