FHWA NBI 2024 Inspection record Public-domain dataset

OR 55 S

Carrying OR 55 S over RAMSEY CREEK

S 185 T 30 N R 14 E, Scott, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
39 t Inventory load rating

Bridge Snapshot: OR 55 S

The OR 55 S bridge in Scott, Missouri carries OR 55 S over RAMSEY CREEK. It was built in 2010, making it 16 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 92.1 meters (302 feet) end to end. Daily traffic averages 2,122 vehicles, placing it in the moderately-trafficked tier of Missouri bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 38.7 metric tons.

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

How OR 55 S compares

▲ 5.0
Load rating vs Missouri average (33.7 t)
Top 33%
Higher load rating than 67% of Missouri bridges
182
Bridges in Scott · 12 in Poor condition
OR 55 S 38.7 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
82.4 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
22.6
Essentiality /15
14.7
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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
38.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2010
Material
Prestressed Concrete
Number of Spans
3
Structure Length
92.1 m (302 ft)
Deck Width
10.0 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,122 vehicles/day
Structure Number
33058

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether OR 55 S 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 OR 55 S against other structures in Scott and across Missouri. Missouri 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 OR 55 S?

OR 55 S in Scott, Missouri has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is OR 55 S inspected?

OR 55 S'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 2,122 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OR 55 S is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for OR 55 S?

OR 55 S has an NBI inventory load rating of 38.7 metric tons.

Who is responsible for maintaining OR 55 S?

OR 55 S is owned and maintained by State Highway Agency.

How old is OR 55 S and does age affect safety?

OR 55 S was built in 2010, making it 16 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.