C-37-1855
Carrying C-37-1855 over SOUTHERN RR
3.4 MI E OF SENECA, Oconee, South Carolina
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: C-37-1855
The C-37-1855 bridge in Oconee, South Carolina carries C-37-1855 over SOUTHERN RR. It was built in 1955, making it 71 years old today. It was last reconstructed in 1990, extending its service life. The structure is built primarily of steel continuous and spans 3 sections, stretching 41.1 meters (135 feet) end to end. Daily traffic averages 200 vehicles, placing it in the lower-traffic tier of South Carolina bridges. It is owned and maintained by Railroad.
The latest FHWA inspection records show a deck rating of 3/9, superstructure at 4/9, substructure 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.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How C-37-1855 compares
Live comparison across South Carolina.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1955
- Last Reconstructed
- 1990
- Material
- Steel Continuous
- Number of Spans
- 3
- Structure Length
- 41.1 m (135 ft)
- Deck Width
- 5.0 m (16 ft)
- Owner
- Railroad
- Avg Daily Traffic
- 200 vehicles/day
- Structure Number
- 000000000002226
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 3/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
- • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for 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
C-37-1855 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 C-37-1855 against other structures in Oconee and across South Carolina. South 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 C-37-1855?
C-37-1855 in Oconee, South Carolina has a deck rating of 3/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is C-37-1855 inspected?
C-37-1855'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 200 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. C-37-1855 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 C-37-1855?
An inventory load rating is not recorded for C-37-1855.
Who is responsible for maintaining C-37-1855?
C-37-1855 is owned and maintained by Railroad.
How old is C-37-1855 and does age affect safety?
C-37-1855 was built in 1955, making it 71 years old and last reconstructed in 1990.
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.
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.