2nd Avenue
Carrying 2nd Avenue over BN Railroad
2nd Ave. Big Stone City, Grant, South Dakota
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: 2nd Avenue
The 2nd Avenue bridge in Grant, South Dakota carries 2nd Avenue over BN Railroad. It was built in 1914, making it 112 years old today. The structure is built primarily of steel and spans 5 sections, stretching 69.5 meters (228 feet) end to end. Daily traffic averages 2,560 vehicles, placing it in the moderately-trafficked tier of South Dakota bridges. It is owned and maintained by Town/Township Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 3/9, substructure at 3/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 4.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How 2nd Avenue compares
Live comparison across South Dakota.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1914
- Material
- Steel
- Number of Spans
- 5
- Structure Length
- 69.5 m (228 ft)
- Deck Width
- 11.0 m (36 ft)
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 2,560 vehicles/day
- Structure Number
- 000000026374023
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) rates poor at 3/9, advanced deterioration that should be prioritized for repair.
- • At 3/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.
How to read this record
2nd Avenue is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare 2nd Avenue against other structures in Grant and across South Dakota. South Dakota bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for 2nd Avenue?
2nd Avenue in Grant, South Dakota has a deck rating of 5/9, superstructure rating of 3/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.
How often is 2nd Avenue inspected?
2nd Avenue's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 2,560 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 2nd Avenue is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for 2nd Avenue?
2nd Avenue has an NBI inventory load rating of 4.5 metric tons.
Who is responsible for maintaining 2nd Avenue?
2nd Avenue is owned and maintained by Town/Township Highway Agency.
How old is 2nd Avenue and does age affect safety?
2nd Avenue was built in 1914, making it 112 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.