FHWA NBI 2024 Inspection record Public-domain dataset

OLD RTE 60

Carrying OLD RTE 60 over DRY RUN CR

S 21 T 27 N R 5 W, Shannon, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
16 t Inventory load rating

Bridge Snapshot: OLD RTE 60

The OLD RTE 60 bridge in Shannon, Missouri carries OLD RTE 60 over DRY RUN CR. It was built in 1929, making it 97 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 50 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 culvert at 6/9. 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 16.2 metric tons.

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

How OLD RTE 60 compares

▼ 17.5
Load rating vs Missouri average (33.7 t)
Bottom 11%
Lower load rating than 89% of Missouri bridges
63
Bridges in Shannon · 6 in Poor condition
OLD RTE 60 16.2 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
77.8 / 100 - historical 50–79.9 band
Structural adequacy /55
33.8
Serviceability /30
29.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
16.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1929
Material
Concrete Continuous
Number of Spans
2
Structure Length
7.9 m (26 ft)
Deck Width
10.4 m (34 ft)
Owner
County Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
21360

How to read this record

This page shows what the last federal inspection recorded, not whether OLD RTE 60 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 OLD RTE 60 against other structures in Shannon 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 OLD RTE 60?

OLD RTE 60 in Shannon, Missouri on the FHWA's 0–9 scale.

How often is OLD RTE 60 inspected?

OLD RTE 60'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OLD RTE 60 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 OLD RTE 60?

OLD RTE 60 has an NBI inventory load rating of 16.2 metric tons.

Who is responsible for maintaining OLD RTE 60?

OLD RTE 60 is owned and maintained by County Highway Agency.

How old is OLD RTE 60 and does age affect safety?

OLD RTE 60 was built in 1929, making it 97 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.