FHWA NBI 2024 Inspection record Public-domain dataset

TWIN BRIDGES ROAD

Carrying TWIN BRIDGES ROAD over CID CANAL

65' NE of HARRINGTON ROAD, Benton, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
42 t Inventory load rating

Bridge Snapshot: TWIN BRIDGES ROAD

The TWIN BRIDGES ROAD bridge in Benton, Washington carries TWIN BRIDGES ROAD over CID CANAL. It was built in 1997, making it 29 years old today. The structure is built primarily of prestressed concrete continuous and spans 1 section, stretching 19.5 meters (64 feet) end to end. Daily traffic averages 2,465 vehicles, placing it in the moderately-trafficked tier of Washington bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 41.8 metric tons.

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

How TWIN BRIDGES ROAD compares

▲ 8.3
Load rating vs Washington average (33.5 t)
Top 21%
Higher load rating than 79% of Washington bridges
173
Bridges in Benton · 8 in Poor condition
TWIN BRIDGES ROAD 41.8 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
94.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
25.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
41.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1997
Material
Prestressed Concrete Continuous
Number of Spans
1
Structure Length
19.5 m (64 ft)
Deck Width
11.6 m (38 ft)
Owner
County Highway Agency
Avg Daily Traffic
2,465 vehicles/day
Structure Number
086724000000000

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether TWIN BRIDGES ROAD 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 TWIN BRIDGES ROAD against other structures in Benton 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 TWIN BRIDGES ROAD?

TWIN BRIDGES ROAD in Benton, Washington has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is TWIN BRIDGES ROAD inspected?

TWIN BRIDGES ROAD'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 2,465 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. TWIN BRIDGES ROAD 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 TWIN BRIDGES ROAD?

TWIN BRIDGES ROAD has an NBI inventory load rating of 41.8 metric tons.

Who is responsible for maintaining TWIN BRIDGES ROAD?

TWIN BRIDGES ROAD is owned and maintained by County Highway Agency.

How old is TWIN BRIDGES ROAD and does age affect safety?

TWIN BRIDGES ROAD was built in 1997, making it 29 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.