FHWA NBI 2024 Inspection record Public-domain dataset

SR1606

Carrying SR1606 over POSSUM QUARTER CREEK

1.0 MI E JCT SR1600, Warren, North Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
13 t Inventory load rating

Bridge Snapshot: SR1606

The SR1606 bridge in Warren, North Carolina carries SR1606 over POSSUM QUARTER CREEK. It was built in 1960, making it 66 years old today. The structure is built primarily of steel continuous and spans 2 sections, stretching 11.8 meters (39 feet) end to end. Daily traffic averages 80 vehicles, placing it in the lower-traffic tier of North Carolina bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 12.7 metric tons.

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

How SR1606 compares

▼ 31.5
Load rating vs North Carolina average (44.2 t)
Bottom 2%
Lower load rating than 98% of North Carolina bridges
84
Bridges in Warren · 4 in Poor condition
SR1606 12.7 t
North Carolina average 44.2 t

Live comparison across North Carolina.

Historical Sufficiency Rating

PlainBridge-computed
52.5 / 100 - historical 50–79.9 band
Structural adequacy /55
16.5
Serviceability /30
24.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
12.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1960
Material
Steel Continuous
Number of Spans
2
Structure Length
11.8 m (39 ft)
Deck Width
5.5 m (18 ft)
Owner
State Highway Agency
Avg Daily Traffic
80 vehicles/day
Structure Number
000000001850086

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether SR1606 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 SR1606 against other structures in Warren and across North Carolina. North Carolina 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 SR1606?

SR1606 in Warren, North Carolina has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is SR1606 inspected?

SR1606'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 80 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR1606 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 SR1606?

SR1606 has an NBI inventory load rating of 12.7 metric tons.

Who is responsible for maintaining SR1606?

SR1606 is owned and maintained by State Highway Agency.

How old is SR1606 and does age affect safety?

SR1606 was built in 1960, making it 66 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.