FHWA NBI 2024 Inspection record Public-domain dataset

OVERLAKE ST

Carrying OVERLAKE ST over DUCK LAKE

0.1 W DUCK LAKE DR, Grays Harbor, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
11 t Inventory load rating

Bridge Snapshot: OVERLAKE ST

The OVERLAKE ST bridge in Grays Harbor, Washington carries OVERLAKE ST over DUCK LAKE. It was built in 1970, making it 56 years old today. The structure is built primarily of wood or timber and spans 5 sections, stretching 40.5 meters (133 feet) end to end. Daily traffic averages 352 vehicles, placing it in the lower-traffic tier of Washington bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 10.9 metric tons.

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

How OVERLAKE ST compares

▼ 22.6
Load rating vs Washington average (33.5 t)
Bottom 2%
Lower load rating than 98% of Washington bridges
365
Bridges in Grays Harbor · 33 in Poor condition
OVERLAKE ST 10.9 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
39.1 / 100 - historical 20–49.9 band
Structural adequacy /55
12.6
Serviceability /30
11.8
Essentiality /15
14.7
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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
10.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1970
Material
Wood or Timber
Number of Spans
5
Structure Length
40.5 m (133 ft)
Deck Width
9.8 m (32 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
352 vehicles/day
Structure Number
085005000000000

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • 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) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether OVERLAKE ST 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 OVERLAKE ST against other structures in Grays Harbor 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 OVERLAKE ST?

OVERLAKE ST in Grays Harbor, Washington has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is OVERLAKE ST inspected?

OVERLAKE ST'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 352 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OVERLAKE ST 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 OVERLAKE ST?

OVERLAKE ST has an NBI inventory load rating of 10.9 metric tons.

Who is responsible for maintaining OVERLAKE ST?

OVERLAKE ST is owned and maintained by City/Municipal Highway Agency.

How old is OVERLAKE ST and does age affect safety?

OVERLAKE ST was built in 1970, making it 56 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.