FHWA NBI 2024 Inspection record Public-domain dataset

RT YY S

Carrying RT YY S over BENNETT BYU

S 30 T 22 N R 10 W, Howell, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
10 t Inventory load rating

Bridge Snapshot: RT YY S

The RT YY S bridge in Howell, Missouri carries RT YY S over BENNETT BYU. It was built in 1934, making it 92 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 18.3 meters (60 feet) end to end. Daily traffic averages 129 vehicles, placing it in the lower-traffic tier of Missouri bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 9.9 metric tons.

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

How RT YY S compares

▼ 23.8
Load rating vs Missouri average (33.7 t)
Bottom 4%
Lower load rating than 96% of Missouri bridges
189
Bridges in Howell · 3 in Poor condition
RT YY S 9.9 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
43.9 / 100 - historical 20–49.9 band
Structural adequacy /55
10.3
Serviceability /30
19.0
Essentiality /15
14.6
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
9.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1934
Material
Concrete
Number of Spans
2
Structure Length
18.3 m (60 ft)
Deck Width
7.3 m (24 ft)
Owner
State Highway Agency
Avg Daily Traffic
129 vehicles/day
Structure Number
9472

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether RT YY 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 RT YY S against other structures in Howell 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 RT YY S?

RT YY S in Howell, Missouri has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is RT YY S inspected?

RT YY 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 129 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RT YY 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 RT YY S?

RT YY S has an NBI inventory load rating of 9.9 metric tons.

Who is responsible for maintaining RT YY S?

RT YY S is owned and maintained by State Highway Agency.

How old is RT YY S and does age affect safety?

RT YY S was built in 1934, making it 92 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.