SR1555
Carrying SR1555 over SWIFT CREEK
0.6 MI N. OF JCT SR1010, Johnston, North Carolina
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
SR1555 in Johnston, North Carolina sits above 73% of rated North Carolina bridges on inventory load rating (52 t), while its 2022 build year is earlier than 1% of Johnston's recorded-year cohort (318 bridges).
SR1555 in Johnston, North Carolina is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2022, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 9. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure NC:000000001010145
POST-2000 · PRESTRESS · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD
- POST-2000 2000+
- PRESTRESS Prestressed concrete
- MULTI-SPAN 3 spans
- TIED-CTRL Tied control
- ARTERIAL-ADT Arterial ADT
- HEAVY-LOAD Heavy load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: SR1555
The SR1555 bridge in Johnston, North Carolina carries SR1555 over SWIFT CREEK. It was built in 2022, making it 4 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 67.9 meters (223 feet) end to end. Daily traffic averages 6,900 vehicles, placing it in the moderately-trafficked tier of North Carolina bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 9/9, superstructure at 9/9, substructure at 9/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.
How SR1555 compares
Age against the county: built in 2022, earlier than 3 of Johnston's 318 bridges with a recorded construction year (1%), against a county median build year of 1990. This is one of the newer structures in its county.
Live comparison across North Carolina bridges with a recorded inventory load rating (19,160 of 19,210 rated).
SR1555 vs every rated North Carolina bridge
Inventory load rating (metric tons), FHWA NBI, this state
52 Top 27% higher than 73% of 19,160 bridges
rated North Carolina bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Johnston inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 318 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 2022
- Material
- Prestressed Concrete
- Number of Spans
- 3
- Structure Length
- 67.9 m (223 ft)
- Deck Width
- 15.5 m (51 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 6,900 vehicles/day
- Structure Number
- 000000001010145
Condition Analysis
- • At 9/9, 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 (9/9), showing no significant deterioration.
- • At 9/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether SR1555 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 SR1555 against other structures in Johnston 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 SR1555?
SR1555 in Johnston, North Carolina has a deck rating of 9/9, superstructure rating of 9/9, and substructure rating of 9/9 on the FHWA's 0–9 scale.
How often is SR1555 inspected?
SR1555'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 6,900 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SR1555 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 SR1555?
SR1555 has an NBI inventory load rating of 51.7 metric tons.
Who is responsible for maintaining SR1555?
SR1555 is owned and maintained by State Highway Agency.
How old is SR1555 and does age affect safety?
SR1555 was built in 2022, making it 4 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.