FHWA NBI 2024 Inspection record Public-domain dataset

SR1508

Carrying SR1508 over LITTLE BUFFALO CREEK

25 FT.E.JCT.NC88,194, Ashe, North Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
90 t Inventory load rating

Bridge Snapshot: SR1508

The SR1508 bridge in Ashe, North Carolina carries SR1508 over LITTLE BUFFALO CREEK. It was built in 1976, making it 50 years old today. The structure is built primarily of steel and spans 3 sections, stretching 8.5 meters (28 feet) end to end. Daily traffic averages 280 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 culvert at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 89.8 metric tons.

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

How SR1508 compares

▲ 45.6
Load rating vs North Carolina average (44.2 t)
Top 10%
Higher load rating than 90% of North Carolina bridges
247
Bridges in Ashe · 61 in Poor condition
SR1508 89.8 t
North Carolina average 44.2 t

Live comparison across North Carolina.

Historical Sufficiency Rating

PlainBridge-computed
64.9 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
28.0
Essentiality /15
11.9
Special reductions
−5.0

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 How the historical reference is calculated.

Condition Ratings

Culvert
4/9
Poor (1–4)
Inventory Load Rating
89.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1976
Material
Steel
Number of Spans
3
Structure Length
8.5 m (28 ft)
Owner
State Highway Agency
Avg Daily Traffic
280 vehicles/day
Structure Number
000000000090429

How to read this record

SR1508 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 SR1508 against other structures in Ashe 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 SR1508?

SR1508 in Ashe, North Carolina on the FHWA's 0–9 scale.

How often is SR1508 inspected?

SR1508'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 280 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR1508 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 SR1508?

SR1508 has an NBI inventory load rating of 89.8 metric tons.

Who is responsible for maintaining SR1508?

SR1508 is owned and maintained by State Highway Agency.

How old is SR1508 and does age affect safety?

SR1508 was built in 1976, making it 50 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.