FHWA NBI 2024 Inspection record Public-domain dataset

SR 26

Carrying SR 26 over PROVIDENCE COULEE

15.0 E JCT SR 17, Adams, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
49 t Inventory load rating

Bridge Snapshot: SR 26

The SR 26 bridge in Adams, Washington carries SR 26 over PROVIDENCE COULEE. It was built in 1959, making it 67 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 78.6 meters (258 feet) end to end. Daily traffic averages 1,964 vehicles, placing it in the moderately-trafficked tier of Washington bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 3/9, superstructure at 6/9, substructure at 7/9. 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 49.0 metric tons.

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

How SR 26 compares

▲ 15.5
Load rating vs Washington average (33.5 t)
Top 13%
Higher load rating than 87% of Washington bridges
190
Bridges in Adams · 16 in Poor condition
SR 26 49.0 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
81.4 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
14.0
Essentiality /15
12.4
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 How the historical reference is calculated.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
3/9
Poor (1–4)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
49.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1959
Material
Concrete Continuous
Number of Spans
3
Structure Length
78.6 m (258 ft)
Deck Width
9.9 m (32 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,964 vehicles/day
Structure Number
0005999A0000000

Condition Analysis

  • The deck (driving surface) is in poor condition (3/9), showing advanced deterioration that may require priority repair.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

SR 26 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 SR 26 against other structures in Adams 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 SR 26?

SR 26 in Adams, Washington has a deck rating of 3/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SR 26 inspected?

SR 26'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 1,964 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 26 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 SR 26?

SR 26 has an NBI inventory load rating of 49.0 metric tons.

Who is responsible for maintaining SR 26?

SR 26 is owned and maintained by State Highway Agency.

How old is SR 26 and does age affect safety?

SR 26 was built in 1959, making it 67 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.