SR 99 - I 99 over SR 550-pa 550

Fair Condition54 years old10,076 vehicles/day

Location

StatePennsylvania
CountyCentre
LocationBellefonte
CarriesSR 99 - I 99
CrossesSR 550-pa 550
Coordinates40.91528, -77.74139

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length140.1 ft (42.7 m)
Max Span140.1 ft (42.7 m)
Deck Width65.9 ft (20.1 m)
Deck Area858.3 sq m
Main Spans1
Year Built1972 (reconstructed 1997)

Traffic

Avg Daily Traffic10,076 (2024)
Truck Traffic18%
Lanes On Bridge3
Lanes Under Bridge3

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000009221

Nearby Bridges