FHWA NBI 2024 Inspection record Public-domain dataset

SR1559

Carrying SR1559 over GABRIEL CREEK

.45 MI.E.JCT.SR1565, Madison, North Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
11 t Inventory load rating

Bridge Snapshot: SR1559

The SR1559 bridge in Madison, North Carolina carries SR1559 over GABRIEL CREEK. It was built in 1966, making it 60 years old today. The structure is built primarily of steel and spans 1 section, stretching 12.4 meters (41 feet) end to end. Daily traffic averages 300 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 4/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 10.8 metric tons.

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

How SR1559 compares

▼ 33.4
Load rating vs North Carolina average (44.2 t)
Bottom 1%
Lower load rating than 99% of North Carolina bridges
244
Bridges in Madison · 53 in Poor condition
SR1559 10.8 t
North Carolina average 44.2 t

Live comparison across North Carolina.

Historical Sufficiency Rating

PlainBridge-computed
23.2 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
9.0
Essentiality /15
14.2
Special reductions
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
10.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1966
Material
Steel
Number of Spans
1
Structure Length
12.4 m (41 ft)
Deck Width
6.1 m (20 ft)
Owner
State Highway Agency
Avg Daily Traffic
300 vehicles/day
Structure Number
000000001150300

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

SR1559 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 SR1559 against other structures in Madison 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 SR1559?

SR1559 in Madison, North Carolina has a deck rating of 7/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is SR1559 inspected?

SR1559'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 300 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR1559 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 SR1559?

SR1559 has an NBI inventory load rating of 10.8 metric tons.

Who is responsible for maintaining SR1559?

SR1559 is owned and maintained by State Highway Agency.

How old is SR1559 and does age affect safety?

SR1559 was built in 1966, making it 60 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.