FHWA NBI 2024 Inspection record Public-domain dataset

SH 170 - Wash Co.

Carrying SH 170 - Wash Co. over So. Frk Farmington Brnch

4.56 NE JCT US 62 & 170, Washington, Arkansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
19 t Inventory load rating

Bridge Snapshot: SH 170 - Wash Co.

The SH 170 - Wash Co. bridge in Washington, Arkansas carries SH 170 - Wash Co. over So. Frk Farmington Brnch. It was built in 1923, making it 103 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 8.0 meters (26 feet) end to end. Daily traffic averages 4,170 vehicles, placing it in the moderately-trafficked tier of Arkansas bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 19.1 metric tons.

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

How SH 170 - Wash Co. compares

▼ 5.8
Load rating vs Arkansas average (24.9 t)
Bottom 18%
Lower load rating than 82% of Arkansas bridges
191
Bridges in Washington · 12 in Poor condition
SH 170 - Wash Co. 19.1 t
Arkansas average 24.9 t

Live comparison across Arkansas.

Historical Sufficiency Rating

PlainBridge-computed
52.0 / 100 - historical 50–79.9 band
Structural adequacy /55
14.2
Serviceability /30
27.0
Essentiality /15
13.8
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 How the historical reference is calculated.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

Culvert
4/9
Poor (1–4)
Inventory Load Rating
19.1 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1923
Material
Concrete
Number of Spans
2
Structure Length
8.0 m (26 ft)
Owner
State Highway Agency
Avg Daily Traffic
4,170 vehicles/day
Structure Number
0000000000M2203

How to read this record

SH 170 - Wash Co. is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare SH 170 - Wash Co. against other structures in Washington 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 170 - Wash Co.?

SH 170 - Wash Co. in Washington, Arkansas on the FHWA's 0–9 scale.

How often is SH 170 - Wash Co. inspected?

SH 170 - Wash Co.'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 4,170 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SH 170 - Wash Co. is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SH 170 - Wash Co.?

SH 170 - Wash Co. has an NBI inventory load rating of 19.1 metric tons.

Who is responsible for maintaining SH 170 - Wash Co.?

SH 170 - Wash Co. is owned and maintained by State Highway Agency.

How old is SH 170 - Wash Co. and does age affect safety?

SH 170 - Wash Co. was built in 1923, making it 103 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.