FHWA NBI 2024 Inspection record Public-domain dataset

MAPLE STREET

Carrying MAPLE STREET over SPOKANE RIVER

0.4 N SR 90, Spokane, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
13 t Inventory load rating

Bridge Snapshot: MAPLE STREET

The MAPLE STREET bridge in Spokane, Washington carries MAPLE STREET over SPOKANE RIVER. It was built in 1958, making it 68 years old today. It was last reconstructed in 1994, extending its service life. The structure is built primarily of steel and spans 14 sections, stretching 524.0 meters (1719 feet) end to end. Daily traffic averages 45,696 vehicles, placing it in the heavily-trafficked tier of Washington bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 12.6 metric tons.

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

How MAPLE STREET compares

▼ 20.9
Load rating vs Washington average (33.5 t)
Bottom 3%
Lower load rating than 97% of Washington bridges
360
Bridges in Spokane · 14 in Poor condition
MAPLE STREET 12.6 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
30.5 / 100 - historical 20–49.9 band
Structural adequacy /55
26.3
Serviceability /30
2.0
Essentiality /15
2.1
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
12.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1958
Last Reconstructed
1994
Material
Steel
Number of Spans
14
Structure Length
524.0 m (1719 ft)
Deck Width
18.1 m (59 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
45,696 vehicles/day
Structure Number
0005258A0000000

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

MAPLE STREET 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 MAPLE STREET against other structures in Spokane 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 MAPLE STREET?

MAPLE STREET in Spokane, Washington has a deck rating of 4/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is MAPLE STREET inspected?

MAPLE STREET'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 45,696 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MAPLE STREET 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 MAPLE STREET?

MAPLE STREET has an NBI inventory load rating of 12.6 metric tons.

Who is responsible for maintaining MAPLE STREET?

MAPLE STREET is owned and maintained by City/Municipal Highway Agency.

How old is MAPLE STREET and does age affect safety?

MAPLE STREET was built in 1958, making it 68 years old and last reconstructed in 1994.

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.