FHWA NBI 2024 Inspection record Public-domain dataset

SR1552

Carrying SR1552 over COOPER SWAMP

0.5 MI N JCT SR1510, Martin, North Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
45 t Inventory load rating

Bridge Snapshot: SR1552

The SR1552 bridge in Martin, North Carolina carries SR1552 over COOPER SWAMP. It was built in 2013, making it 13 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 18.8 meters (62 feet) end to end. Daily traffic averages 560 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 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 45.3 metric tons.

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

How SR1552 compares

▲ 1.1
Load rating vs North Carolina average (44.2 t)
Top 38%
Higher load rating than 62% of North Carolina bridges
124
Bridges in Martin · 4 in Poor condition
SR1552 45.3 t
North Carolina average 44.2 t

Live comparison across North Carolina.

Historical Sufficiency Rating

PlainBridge-computed
95.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
25.7
Essentiality /15
14.9
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
45.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2013
Material
Prestressed Concrete
Number of Spans
1
Structure Length
18.8 m (62 ft)
Deck Width
9.1 m (30 ft)
Owner
State Highway Agency
Avg Daily Traffic
560 vehicles/day
Structure Number
000000001170046

Condition Analysis

  • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • At 8/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether SR1552 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 SR1552 against other structures in Martin 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 SR1552?

SR1552 in Martin, North Carolina has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is SR1552 inspected?

SR1552'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 560 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR1552 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SR1552?

SR1552 has an NBI inventory load rating of 45.3 metric tons.

Who is responsible for maintaining SR1552?

SR1552 is owned and maintained by State Highway Agency.

How old is SR1552 and does age affect safety?

SR1552 was built in 2013, making it 13 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.