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Adams T473 over Moyers Mill Run

Snyder County, Pennsylvania · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (40.80758, -77.17712)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck55Fair condition
Superstructure66Satisfactory condition
Substructure66Satisfactory condition

Bridge details

StructureSteel stringer or multi-beam girder
Lengthabout 35 ft
Location1 Mi.e of Troxelville
NBI structure number000000000031281
Condition classFair
Traffic status (item 41)Open, no restriction
Last inspection (item 90)August 2023
Inspection interval (item 91)24 months
Scour (item 113)3: scour critical: foundations unstable for the assessed or calculated scour

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

Busiest bridges in Snyder County

BridgeBuiltVehicles/dayCondition
US Rt. 15 & 11 over Carrie Run196227,854Fair
SR 522 over Penns Creek194319,255Fair
SR 15 NB & SB over Trib.to Susquehanna Rive193017,781Good
SR 15 over Trib.to Susquehanna Rive193017,781Fair
SR 11 over Silver Creek199215,037Good
Tr 11 Nb/sb over over Mahantango Creek200114,781Good

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

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