FHWA NBI 2024 Inspection record Public-domain dataset

Hwy 153

Carrying Hwy 153 over South Yamhill Overflow

030 MI W HWY 39 JCT, Yamhill, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
41 t Inventory load rating

Bridge Snapshot: Hwy 153

The Hwy 153 bridge in Yamhill, Oregon carries Hwy 153 over South Yamhill Overflow. It was built in 1996, making it 30 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 23.2 meters (76 feet) end to end. Daily traffic averages 724 vehicles, placing it in the lower-traffic tier of Oregon bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, 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 41.1 metric tons.

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

How Hwy 153 compares

▲ 8.8
Load rating vs Oregon average (32.3 t)
Top 24%
Higher load rating than 76% of Oregon bridges
149
Bridges in Yamhill · 7 in Poor condition
Hwy 153 41.1 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
96.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
14.3
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
41.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1996
Material
Prestressed Concrete
Number of Spans
2
Structure Length
23.2 m (76 ft)
Deck Width
9.8 m (32 ft)
Owner
State Highway Agency
Avg Daily Traffic
724 vehicles/day
Structure Number
17483 153 00295

Condition Analysis

  • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether Hwy 153 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 Hwy 153 against other structures in Yamhill and across Oregon. Oregon 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 Hwy 153?

Hwy 153 in Yamhill, Oregon has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is Hwy 153 inspected?

Hwy 153'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 724 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Hwy 153 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 Hwy 153?

Hwy 153 has an NBI inventory load rating of 41.1 metric tons.

Who is responsible for maintaining Hwy 153?

Hwy 153 is owned and maintained by State Highway Agency.

How old is Hwy 153 and does age affect safety?

Hwy 153 was built in 1996, making it 30 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.