FHWA NBI 2024 Inspection record Public-domain dataset

MAIN ST

Carrying MAIN ST over WILDHORSE CREEK

0.1 MI S PRESTON STREET, Umatilla, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
49 t Inventory load rating

Bridge Snapshot: MAIN ST

The MAIN ST bridge in Umatilla, Oregon carries MAIN ST over WILDHORSE CREEK. It was built in 2001, making it 25 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 16.4 meters (54 feet) end to end. Daily traffic averages 28 vehicles, placing it in the lower-traffic tier of Oregon bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 49.0 metric tons.

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

How MAIN ST compares

▲ 16.7
Load rating vs Oregon average (32.3 t)
Top 13%
Higher load rating than 87% of Oregon bridges
323
Bridges in Umatilla · 13 in Poor condition
MAIN ST 49.0 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
91.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
14.7
Special reductions
−7.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
49.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2001
Material
Prestressed Concrete
Number of Spans
1
Structure Length
16.4 m (54 ft)
Deck Width
7.3 m (24 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
28 vehicles/day
Structure Number
18950 005200010

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether MAIN ST 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 MAIN ST against other structures in Umatilla 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 MAIN ST?

MAIN ST in Umatilla, Oregon has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is MAIN ST inspected?

MAIN ST'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 28 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MAIN ST is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for MAIN ST?

MAIN ST has an NBI inventory load rating of 49.0 metric tons.

Who is responsible for maintaining MAIN ST?

MAIN ST is owned and maintained by City/Municipal Highway Agency.

How old is MAIN ST and does age affect safety?

MAIN ST was built in 2001, making it 25 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.