FHWA NBI 2024 Inspection record Public-domain dataset

OLD MILITARY ROAD

Carrying OLD MILITARY ROAD over MILL CREEK

001 E OF COUNTY ROAD 6610, Polk, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
7 t Inventory load rating

Bridge Snapshot: OLD MILITARY ROAD

The OLD MILITARY ROAD bridge in Polk, Oregon carries OLD MILITARY ROAD over MILL CREEK. It was built in 1963, making it 63 years old today. The structure is built primarily of steel and spans 1 section, stretching 36.0 meters (118 feet) end to end. Daily traffic averages 108 vehicles, placing it in the lower-traffic tier of Oregon bridges. It is owned and maintained by County 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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 6.5 metric tons.

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

How OLD MILITARY ROAD compares

▼ 25.8
Load rating vs Oregon average (32.3 t)
Bottom 1%
Lower load rating than 99% of Oregon bridges
161
Bridges in Polk · 11 in Poor condition
OLD MILITARY ROAD 6.5 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
24.4 / 100 - historical 20–49.9 band
Structural adequacy /55
12.1
Serviceability /30
3.0
Essentiality /15
9.3
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
6.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1963
Material
Steel
Number of Spans
1
Structure Length
36.0 m (118 ft)
Deck Width
4.8 m (16 ft)
Owner
County Highway Agency
Avg Daily Traffic
108 vehicles/day
Structure Number
53C063076600010

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • 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 OLD MILITARY 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 OLD MILITARY ROAD against other structures in Polk 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 OLD MILITARY ROAD?

OLD MILITARY ROAD in Polk, 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 OLD MILITARY ROAD inspected?

OLD MILITARY 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 108 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OLD MILITARY ROAD 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 OLD MILITARY ROAD?

OLD MILITARY ROAD has an NBI inventory load rating of 6.5 metric tons.

Who is responsible for maintaining OLD MILITARY ROAD?

OLD MILITARY ROAD is owned and maintained by County Highway Agency.

How old is OLD MILITARY ROAD and does age affect safety?

OLD MILITARY ROAD was built in 1963, making it 63 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.