FHWA NBI 2024 Inspection record Public-domain dataset

SH 359

Carrying SH 359 over Flat Rock Creek

1.3M N Jct US 64 & 359, Johnson, Arkansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
24 t Inventory load rating

Bridge Snapshot: SH 359

The SH 359 bridge in Johnson, Arkansas carries SH 359 over Flat Rock Creek. It was built in 1968, making it 58 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 28.3 meters (93 feet) end to end. Daily traffic averages 810 vehicles, placing it in the lower-traffic tier of Arkansas 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 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 23.6 metric tons.

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

How SH 359 compares

▼ 1.3
Load rating vs Arkansas average (24.9 t)
Bottom 41%
Lower load rating than 59% of Arkansas bridges
66
Bridges in Johnson · 2 in Poor condition
SH 359 23.6 t
Arkansas average 24.9 t

Live comparison across Arkansas.

Historical Sufficiency Rating

PlainBridge-computed
76.5 / 100 - historical 50–79.9 band
Structural adequacy /55
46.5
Serviceability /30
17.7
Essentiality /15
14.2
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 How the historical reference is calculated.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

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
23.6 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1968
Material
Concrete
Number of Spans
3
Structure Length
28.3 m (93 ft)
Deck Width
8.6 m (28 ft)
Owner
State Highway Agency
Avg Daily Traffic
810 vehicles/day
Structure Number
0000000000M3131

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether SH 359 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 SH 359 against other structures in Johnson and across Arkansas. Arkansas 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 SH 359?

SH 359 in Johnson, Arkansas has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SH 359 inspected?

SH 359'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 810 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SH 359 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 SH 359?

SH 359 has an NBI inventory load rating of 23.6 metric tons.

Who is responsible for maintaining SH 359?

SH 359 is owned and maintained by State Highway Agency.

How old is SH 359 and does age affect safety?

SH 359 was built in 1968, making it 58 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.