FHWA NBI 2024 Inspection record Public-domain dataset

KELLOG HOLLOW RD.

Carrying KELLOG HOLLOW RD. over TUCANNON RIVER

0.2 SW JCT SR 261, Columbia, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
30 t Inventory load rating

Bridge Snapshot: KELLOG HOLLOW RD.

The KELLOG HOLLOW RD. bridge in Columbia, Washington carries KELLOG HOLLOW RD. over TUCANNON RIVER. It was built in 1962, making it 64 years old today. It was last reconstructed in 1965, extending its service life. The structure is built primarily of steel and spans 2 sections, stretching 34.7 meters (114 feet) end to end. Daily traffic averages 350 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 5/9, superstructure at 5/9, substructure at 2/9. The weakest component sits in critical 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 29.8 metric tons.

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

How KELLOG HOLLOW RD. compares

▼ 3.7
Load rating vs Washington average (33.5 t)
Bottom 47%
Lower load rating than 53% of Washington bridges
86
Bridges in Columbia · 9 in Poor condition
KELLOG HOLLOW RD. 29.8 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
19.1 / 100 - historical under-20 band
Structural adequacy /55
0.0
Serviceability /30
12.0
Essentiality /15
7.1
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
2/9
Poor (1–4)
Inventory Load Rating
29.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1962
Last Reconstructed
1965
Material
Steel
Number of Spans
2
Structure Length
34.7 m (114 ft)
Deck Width
5.5 m (18 ft)
Owner
County Highway Agency
Avg Daily Traffic
350 vehicles/day
Structure Number
081650000000000

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates critical at 2/9, severe deterioration that needs urgent attention.

How to read this record

KELLOG HOLLOW 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 KELLOG HOLLOW RD. against other structures in Columbia 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 KELLOG HOLLOW RD.?

KELLOG HOLLOW RD. in Columbia, Washington has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 2/9 on the FHWA's 0–9 scale.

How often is KELLOG HOLLOW RD. inspected?

KELLOG HOLLOW 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 350 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. KELLOG HOLLOW 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 KELLOG HOLLOW RD.?

KELLOG HOLLOW RD. has an NBI inventory load rating of 29.8 metric tons.

Who is responsible for maintaining KELLOG HOLLOW RD.?

KELLOG HOLLOW RD. is owned and maintained by County Highway Agency.

How old is KELLOG HOLLOW RD. and does age affect safety?

KELLOG HOLLOW RD. was built in 1962, making it 64 years old and last reconstructed in 1965.

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.