FHWA NBI 2024 Inspection record Public-domain dataset

SO. FRONTAGE RD.

Carrying SO. FRONTAGE RD. over WEST CANAL

West Canal @ George, Grant, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
23 t Inventory load rating

Bridge Snapshot: SO. FRONTAGE RD.

The SO. FRONTAGE RD. bridge in Grant, Washington carries SO. FRONTAGE RD. over WEST CANAL. It was built in 1950, making it 76 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 31.1 meters (102 feet) end to end. Daily traffic averages 687 vehicles, placing it in the lower-traffic tier of Washington bridges. It is owned and maintained by County 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. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 23.0 metric tons.

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

How SO. FRONTAGE RD. compares

▼ 10.5
Load rating vs Washington average (33.5 t)
Bottom 27%
Lower load rating than 73% of Washington bridges
314
Bridges in Grant · 5 in Poor condition
SO. FRONTAGE RD. 23.0 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
82.4 / 100 - historical 80–100 band
Structural adequacy /55
45.6
Serviceability /30
25.0
Essentiality /15
14.8
Special reductions
−3.0

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 How the historical reference is calculated.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
23.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1950
Material
Concrete
Number of Spans
3
Structure Length
31.1 m (102 ft)
Deck Width
15.8 m (52 ft)
Owner
County Highway Agency
Avg Daily Traffic
687 vehicles/day
Structure Number
080294000000000

Condition Analysis

  • At 3/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • 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) rates good at 7/9, with no significant deterioration on file.

How to read this record

SO. FRONTAGE RD. 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 SO. FRONTAGE RD. 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 SO. FRONTAGE RD.?

SO. FRONTAGE RD. in Grant, 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 SO. FRONTAGE RD. inspected?

SO. FRONTAGE RD.'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 687 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SO. FRONTAGE RD. 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 SO. FRONTAGE RD.?

SO. FRONTAGE RD. has an NBI inventory load rating of 23.0 metric tons.

Who is responsible for maintaining SO. FRONTAGE RD.?

SO. FRONTAGE RD. is owned and maintained by County Highway Agency.

How old is SO. FRONTAGE RD. and does age affect safety?

SO. FRONTAGE RD. was built in 1950, making it 76 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.