FHWA NBI 2024 Inspection record Public-domain dataset

SPILLWAY ACCESS

Carrying SPILLWAY ACCESS over WINCHESTER WASTEWAY

NR WINCHESTER, WA, Grant, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
24 t Inventory load rating

Bridge Snapshot: SPILLWAY ACCESS

The SPILLWAY ACCESS bridge in Grant, Washington carries SPILLWAY ACCESS over WINCHESTER WASTEWAY. It was built in 1948, making it 78 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 9.9 meters (32 feet) end to end. Daily traffic averages 5 vehicles, placing it in the lower-traffic tier of Washington bridges. It is owned and maintained by Bureau of Reclamation.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, 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 23.7 metric tons.

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

How SPILLWAY ACCESS compares

▼ 9.8
Load rating vs Washington average (33.5 t)
Bottom 29%
Lower load rating than 71% of Washington bridges
314
Bridges in Grant · 5 in Poor condition
SPILLWAY ACCESS 23.7 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
76.6 / 100 - historical 50–79.9 band
Structural adequacy /55
46.6
Serviceability /30
15.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
23.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1948
Material
Concrete
Number of Spans
2
Structure Length
9.9 m (32 ft)
Deck Width
9.7 m (32 ft)
Owner
Bureau of Reclamation
Avg Daily Traffic
5 vehicles/day
Structure Number
11WC0181

Condition Analysis

  • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
  • At 8/9, 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 SPILLWAY ACCESS 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 SPILLWAY ACCESS against other structures in Grant 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 SPILLWAY ACCESS?

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

How often is SPILLWAY ACCESS inspected?

SPILLWAY ACCESS'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 5 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SPILLWAY ACCESS 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 SPILLWAY ACCESS?

SPILLWAY ACCESS has an NBI inventory load rating of 23.7 metric tons.

Who is responsible for maintaining SPILLWAY ACCESS?

SPILLWAY ACCESS is owned and maintained by Bureau of Reclamation.

How old is SPILLWAY ACCESS and does age affect safety?

SPILLWAY ACCESS was built in 1948, making it 78 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.