FHWA NBI 2024 Inspection record Public-domain dataset

SBL Route 29

Carrying SBL Route 29 over NS Railway

0.71-Rt.683/1.00-Lynch CL, Campbell, Virginia

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
69 t Inventory load rating

Bridge Snapshot: SBL Route 29

The SBL Route 29 bridge in Campbell, Virginia carries SBL Route 29 over NS Railway. It was built in 1967, making it 59 years old today. The structure is built primarily of steel and spans 5 sections, stretching 100.0 meters (328 feet) end to end. Daily traffic averages 15,422 vehicles, placing it in the heavily-trafficked tier of Virginia bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 68.9 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How SBL Route 29 compares

▲ 22.9
Load rating vs Virginia average (46.0 t)
Top 14%
Higher load rating than 86% of Virginia bridges
153
Bridges in Campbell
SBL Route 29 68.9 t
Virginia average 46.0 t

Live comparison across Virginia.

Historical Sufficiency Rating

PlainBridge-computed
74.1 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
9.0
Essentiality /15
13.1
Special reductions
−3.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
68.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1967
Material
Steel
Number of Spans
5
Structure Length
100.0 m (328 ft)
Deck Width
11.1 m (36 ft)
Owner
State Highway Agency
Avg Daily Traffic
15,422 vehicles/day
Structure Number
000000000004151

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether SBL Route 29 is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare SBL Route 29 against other structures in Campbell and across Virginia. Virginia 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 SBL Route 29?

SBL Route 29 in Campbell, Virginia has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is SBL Route 29 inspected?

SBL Route 29'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 15,422 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. SBL Route 29 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SBL Route 29?

SBL Route 29 has an NBI inventory load rating of 68.9 metric tons.

Who is responsible for maintaining SBL Route 29?

SBL Route 29 is owned and maintained by State Highway Agency.

How old is SBL Route 29 and does age affect safety?

SBL Route 29 was built in 1967, making it 59 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.