FHWA NBI 2024 Inspection record Public-domain dataset

WAMIC MARKET ROAD

Carrying WAMIC MARKET ROAD over THREEMILE CREEK

WAMIC ORE, Wasco, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
43 t Inventory load rating

Bridge Snapshot: WAMIC MARKET ROAD

The WAMIC MARKET ROAD bridge in Wasco, Oregon carries WAMIC MARKET ROAD over THREEMILE CREEK. It was built in 1979, making it 47 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 8.2 meters (27 feet) end to end. Daily traffic averages 1,089 vehicles, placing it in the moderately-trafficked tier of Oregon 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. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 42.6 metric tons.

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

How WAMIC MARKET ROAD compares

▲ 10.3
Load rating vs Oregon average (32.3 t)
Top 22%
Higher load rating than 78% of Oregon bridges
148
Bridges in Wasco · 12 in Poor condition
WAMIC MARKET ROAD 42.6 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
91.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
24.6
Essentiality /15
15.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
42.6 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1979
Material
Prestressed Concrete
Number of Spans
1
Structure Length
8.2 m (27 ft)
Deck Width
11.0 m (36 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,089 vehicles/day
Structure Number
15458 000 00750

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether WAMIC MARKET 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 WAMIC MARKET ROAD against other structures in Wasco 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 WAMIC MARKET ROAD?

WAMIC MARKET ROAD in Wasco, Oregon 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 WAMIC MARKET ROAD inspected?

WAMIC MARKET 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 1,089 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. WAMIC MARKET 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 WAMIC MARKET ROAD?

WAMIC MARKET ROAD has an NBI inventory load rating of 42.6 metric tons.

Who is responsible for maintaining WAMIC MARKET ROAD?

WAMIC MARKET ROAD is owned and maintained by County Highway Agency.

How old is WAMIC MARKET ROAD and does age affect safety?

WAMIC MARKET ROAD was built in 1979, making it 47 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.