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HomePennsylvaniaFranklin County › T-330 Heisey Road over W Br Conococheagu

T-330 Heisey Road over W Br Conococheague

Franklin County, Pennsylvania · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (39.79608, -77.85914)

Component ratings

ComponentRating (2025)FHWA scale meaning
Deck7Good condition
Superstructure8Very good condition
Substructure7Good condition

Bridge details

StructureContinuous prestressed concrete multiple box beam
Lengthabout 128 ft
Location3.5SE Mercersburg/conococ
NBI structure number000000000068312
Condition classGood

Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.

Busiest bridges in Franklin County

BridgeBuiltVehicles/dayCondition
I-81 SR 0081 over Mountain Run200349,536Good
I-81;sr0081;t-490 over Br. of Conococheague CR.196345,479Fair
I-81 NB; SR 0081 over US 30; SR 0030196324,134Fair
81 NB over Conococheague201023,798Fair
81 SB Road over Conococheague201023,776Fair
I-81 SB; SR 0081 over Pa 16; SR 0016196323,493Fair

All bridges nearby: Franklin County, PA bridge conditions · every bridge in Franklin County · Pennsylvania bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.