FHWA NBI 2024 Inspection record Public-domain dataset

LOWER DRY CREEK RD

Carrying LOWER DRY CREEK RD over MUD CREEK

05.831 E SR 12, Walla Walla, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
24 t Inventory load rating

Bridge Snapshot: LOWER DRY CREEK RD

The LOWER DRY CREEK RD bridge in Walla Walla, Washington carries LOWER DRY CREEK RD over MUD CREEK. It was built in 1991, making it 35 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 508 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 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 23.7 metric tons.

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

How LOWER DRY CREEK RD compares

▼ 9.8
Load rating vs Washington average (33.5 t)
Bottom 29%
Lower load rating than 71% of Washington bridges
200
Bridges in Walla Walla · 18 in Poor condition
LOWER DRY CREEK RD 23.7 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
89.1 / 100 - historical 80–100 band
Structural adequacy /55
46.6
Serviceability /30
30.0
Essentiality /15
14.4
Special reductions
−2.0

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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
23.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1991
Material
Prestressed Concrete
Number of Spans
1
Structure Length
7.9 m (26 ft)
Deck Width
11.4 m (37 ft)
Owner
County Highway Agency
Avg Daily Traffic
508 vehicles/day
Structure Number
085883000000000

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether LOWER DRY CREEK RD 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 LOWER DRY CREEK RD against other structures in Walla Walla 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 LOWER DRY CREEK RD?

LOWER DRY CREEK RD in Walla Walla, Washington has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is LOWER DRY CREEK RD inspected?

LOWER DRY CREEK 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 508 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LOWER DRY CREEK RD 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 LOWER DRY CREEK RD?

LOWER DRY CREEK RD has an NBI inventory load rating of 23.7 metric tons.

Who is responsible for maintaining LOWER DRY CREEK RD?

LOWER DRY CREEK RD is owned and maintained by County Highway Agency.

How old is LOWER DRY CREEK RD and does age affect safety?

LOWER DRY CREEK RD was built in 1991, making it 35 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.