FHWA NBI 2024 Inspection record Public-domain dataset

MIDDLE FORK RD.

Carrying MIDDLE FORK RD. over S. FORK NEWAUKUM RIVER

0.4 E JCT 94000, Lewis, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
18 t Inventory load rating

Bridge Snapshot: MIDDLE FORK RD.

The MIDDLE FORK RD. bridge in Lewis, Washington carries MIDDLE FORK RD. over S. FORK NEWAUKUM RIVER. It was built in 1956, making it 70 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 48.2 meters (158 feet) end to end. Daily traffic averages 1,424 vehicles, placing it in the moderately-trafficked tier of Washington bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. 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 18.1 metric tons.

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

How MIDDLE FORK RD. compares

▼ 15.4
Load rating vs Washington average (33.5 t)
Bottom 12%
Lower load rating than 88% of Washington bridges
422
Bridges in Lewis · 14 in Poor condition
MIDDLE FORK RD. 18.1 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
63.8 / 100 - historical 50–79.9 band
Structural adequacy /55
37.4
Serviceability /30
12.0
Essentiality /15
14.4
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
18.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1956
Material
Concrete Continuous
Number of Spans
2
Structure Length
48.2 m (158 ft)
Deck Width
8.1 m (27 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,424 vehicles/day
Structure Number
082642000000000

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • 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 MIDDLE FORK RD. 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 MIDDLE FORK RD. 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 MIDDLE FORK RD.?

MIDDLE FORK RD. in Lewis, Washington has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is MIDDLE FORK RD. inspected?

MIDDLE FORK RD.'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 1,424 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MIDDLE FORK RD. 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 MIDDLE FORK RD.?

MIDDLE FORK RD. has an NBI inventory load rating of 18.1 metric tons.

Who is responsible for maintaining MIDDLE FORK RD.?

MIDDLE FORK RD. is owned and maintained by County Highway Agency.

How old is MIDDLE FORK RD. and does age affect safety?

MIDDLE FORK RD. was built in 1956, making it 70 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.