BridgeReportCard
Home › South Dakota › Lincoln County › I029 N over BNSF RR

I029 N over BNSF RR

Lincoln County, South Dakota · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (43.33841, -96.79627)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck77Good condition
Superstructure67Good condition
Substructure77Good condition

Bridge details

StructureContinuous concrete slab
Lengthabout 145 ft
Location0.6 N Sd 44 Interch
NBI structure number000000042065115
Condition classGood
Traffic status (item 41)Open, no restriction
Last inspection (item 90)June 2024
Inspection interval (item 91)48 months
Scour (item 113)N: not over a waterway

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

Busiest bridges in Lincoln County

BridgeBuiltVehicles/dayCondition
I029 over Nine Mile Ck195833,530Good
I029 S over I229 S & I029 S Off Ramp201629,860Good
I029 N over I229 S & I029 S Off Ramp201629,860Good
S Louise Ave over I229199324,586Fair
I029 S over 271 St - County Rd 106200523,640Fair
I029 N over 271 St - County Rd 106200523,640Good

All bridges nearby: Lincoln County, SD bridge conditions · every bridge in Lincoln County · South Dakota bridges.

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