FHWA NBI 2024 Inspection record Public-domain dataset

STOWELL ROAD

Carrying STOWELL ROAD over MILL CREEK

0.5 N SALKUM, Lewis, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: STOWELL ROAD

The STOWELL ROAD bridge in Lewis, Washington carries STOWELL ROAD over MILL CREEK. It was built in 1955, making it 71 years old today. It was last reconstructed in 2005, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 9.1 meters (30 feet) end to end. Daily traffic averages 325 vehicles, placing it in the lower-traffic tier of Washington bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, 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 31.7 metric tons.

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

How STOWELL ROAD compares

▼ 1.8
Load rating vs Washington average (33.5 t)
Top 49%
Higher load rating than 51% of Washington bridges
422
Bridges in Lewis · 14 in Poor condition
STOWELL ROAD 31.7 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
99.7 / 100 - historical 80–100 band
Structural adequacy /55
54.8
Serviceability /30
30.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
31.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1955
Last Reconstructed
2005
Material
Concrete
Number of Spans
1
Structure Length
9.1 m (30 ft)
Deck Width
10.5 m (34 ft)
Owner
County Highway Agency
Avg Daily Traffic
325 vehicles/day
Structure Number
081376000000000

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether STOWELL ROAD 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 STOWELL ROAD against other structures in Lewis and across Washington. Washington 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 STOWELL ROAD?

STOWELL ROAD in Lewis, Washington has a deck rating of 8/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is STOWELL ROAD inspected?

STOWELL ROAD'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 325 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STOWELL ROAD 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 STOWELL ROAD?

STOWELL ROAD has an NBI inventory load rating of 31.7 metric tons.

Who is responsible for maintaining STOWELL ROAD?

STOWELL ROAD is owned and maintained by County Highway Agency.

How old is STOWELL ROAD and does age affect safety?

STOWELL ROAD was built in 1955, making it 71 years old and last reconstructed in 2005.

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.