US Bridges

Pa 283 Eb; SR 0300 over TWP.RD.564; Mill Rd.

Fair

Dauphin County, Pennsylvania · 5.5 Mi. E. of Middletown · Structure no. 000000000014361

Built
1968
57 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
127 ft
3 main spans
Daily traffic
17,423
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 283 Eb; SR 0300 over TWP.RD.564; Mill Rd. is a prestressed concrete box beam or girders - multiple carrying Pa 283 Eb; SR 0300 over TWP.RD.564; Mill Rd. in Dauphin County, Pennsylvania. It was built in 1968, so it is 57 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 17,423 vehicles a day, roughly 15% of them trucks, projected to reach 27,246 by 2032. The structure is 127 ft (38.7 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPa 283 Eb; SR 0300
CrossesTWP.RD.564; Mill Rd.
Location5.5 Mi. E. of Middletown
RouteState Highway 283
CountyDauphin County
StatePennsylvania
Coordinates40.19179, -76.62895
Functional classRural Principal Arterial - Other

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 inspectionAugust 2024
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating30 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span45 ft (13.7 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,423 (2024)
Projected traffic27,246 by 2032
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$198,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa 283 Eb; SR 0300 over TWP.RD.564; Mill Rd. built?

It was built in 1968, making it 57 years old in 2025.

What condition is Pa 283 Eb; SR 0300 over TWP.RD.564; Mill Rd. 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 August 2024.

How much traffic does Pa 283 Eb; SR 0300 over TWP.RD.564; Mill Rd. carry?

About 17,423 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Pa 283 Eb; SR 0300 over TWP.RD.564; Mill Rd.?

The structure is 127 ft (38.7 m) long with a longest span of 45 ft (13.7 m) and a deck 44 ft wide.

Who owns Pa 283 Eb; SR 0300 over TWP.RD.564; Mill Rd.?

It is owned by the State Highway Agency.