FHWA NBI 2024 Inspection record Public-domain dataset

S ROLLA ST

Carrying S ROLLA ST over DUTRO CARTER CR

S 11 T 37 N R 8 W, Phelps, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: S ROLLA ST

The S ROLLA ST bridge in Phelps, Missouri carries S ROLLA ST over DUTRO CARTER CR. It was built in 2008, making it 18 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 10.4 meters (34 feet) end to end. Daily traffic averages 1,000 vehicles, placing it in the lower-traffic tier of Missouri bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 33.3 metric tons.

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

How S ROLLA ST compares

▼ 0.4
Load rating vs Missouri average (33.7 t)
Top 46%
Higher load rating than 54% of Missouri bridges
156
Bridges in Phelps · 13 in Poor condition
S ROLLA ST 33.3 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
94.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
26.2
Essentiality /15
14.9
Special reductions
−2.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
33.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2008
Material
Concrete Continuous
Number of Spans
2
Structure Length
10.4 m (34 ft)
Deck Width
14.0 m (46 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1,000 vehicles/day
Structure Number
30775

How to read this record

This page shows what the last federal inspection recorded, not whether S ROLLA ST 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 S ROLLA ST against other structures in Phelps 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 S ROLLA ST?

S ROLLA ST in Phelps, Missouri on the FHWA's 0–9 scale.

How often is S ROLLA ST inspected?

S ROLLA ST'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 1,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. S ROLLA ST 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 S ROLLA ST?

S ROLLA ST has an NBI inventory load rating of 33.3 metric tons.

Who is responsible for maintaining S ROLLA ST?

S ROLLA ST is owned and maintained by City/Municipal Highway Agency.

How old is S ROLLA ST and does age affect safety?

S ROLLA ST was built in 2008, making it 18 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.