FHWA NBI 2024 Inspection record Public-domain dataset

COUNTY RD AA-20

Carrying COUNTY RD AA-20 over SWAN CR

S 10 T 24 N R 19 W, Taney, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
16 t Inventory load rating

Bridge Snapshot: COUNTY RD AA-20

The COUNTY RD AA-20 bridge in Taney, Missouri carries COUNTY RD AA-20 over SWAN CR. It was built in 1997, making it 29 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 17.4 meters (57 feet) end to end. Daily traffic averages 20 vehicles, placing it in the lower-traffic tier of Missouri bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 16.2 metric tons.

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

How COUNTY RD AA-20 compares

▼ 17.5
Load rating vs Missouri average (33.7 t)
Bottom 11%
Lower load rating than 89% of Missouri bridges
151
Bridges in Taney · 15 in Poor condition
COUNTY RD AA-20 16.2 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
73.8 / 100 - historical 50–79.9 band
Structural adequacy /55
33.8
Serviceability /30
28.0
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
16.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1997
Material
Concrete
Number of Spans
3
Structure Length
17.4 m (57 ft)
Deck Width
6.6 m (22 ft)
Owner
County Highway Agency
Avg Daily Traffic
20 vehicles/day
Structure Number
32147

Condition Analysis

  • At 8/9, 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 (8/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether COUNTY RD AA-20 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 COUNTY RD AA-20 against other structures in Taney 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 COUNTY RD AA-20?

COUNTY RD AA-20 in Taney, Missouri has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is COUNTY RD AA-20 inspected?

COUNTY RD AA-20'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 20 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COUNTY RD AA-20 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 COUNTY RD AA-20?

COUNTY RD AA-20 has an NBI inventory load rating of 16.2 metric tons.

Who is responsible for maintaining COUNTY RD AA-20?

COUNTY RD AA-20 is owned and maintained by County Highway Agency.

How old is COUNTY RD AA-20 and does age affect safety?

COUNTY RD AA-20 was built in 1997, making it 29 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.