FHWA NBI 2024 Inspection record Public-domain dataset

SR 23

Carrying SR 23 over CRAB CREEK

8.7 N JCT SR 231, Lincoln, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
22 t Inventory load rating

Bridge Snapshot: SR 23

The SR 23 bridge in Lincoln, Washington carries SR 23 over CRAB CREEK. It was built in 1948, making it 78 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 33.5 meters (110 feet) end to end. Daily traffic averages 367 vehicles, placing it in the lower-traffic 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 7/9, 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 22.4 metric tons.

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

How SR 23 compares

▼ 11.1
Load rating vs Washington average (33.5 t)
Bottom 24%
Lower load rating than 76% of Washington bridges
181
Bridges in Lincoln · 11 in Poor condition
SR 23 22.4 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
77.5 / 100 - historical 50–79.9 band
Structural adequacy /55
44.7
Serviceability /30
18.2
Essentiality /15
14.6
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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
22.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1948
Material
Concrete Continuous
Number of Spans
3
Structure Length
33.5 m (110 ft)
Deck Width
9.1 m (30 ft)
Owner
State Highway Agency
Avg Daily Traffic
367 vehicles/day
Structure Number
0003432A0000000

Condition Analysis

  • The deck (driving surface) rates poor at 3/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

SR 23 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 23 against other structures in Lincoln 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 23?

SR 23 in Lincoln, Washington has a deck rating of 3/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SR 23 inspected?

SR 23'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 367 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 23 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 23?

SR 23 has an NBI inventory load rating of 22.4 metric tons.

Who is responsible for maintaining SR 23?

SR 23 is owned and maintained by State Highway Agency.

How old is SR 23 and does age affect safety?

SR 23 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.