FHWA NBI 2024 Inspection record Public-domain dataset

HWY 180

Carrying HWY 180 over Yaquina River

001 MI E NASHVILLE, Lincoln, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
16 t Inventory load rating

Bridge Snapshot: HWY 180

The HWY 180 bridge in Lincoln, Oregon carries HWY 180 over Yaquina River. It was built in 1941, making it 85 years old today. The structure is built primarily of steel and spans 1 section, stretching 28.7 meters (94 feet) end to end. Daily traffic averages 248 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 6/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 15.9 metric tons.

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

How HWY 180 compares

▼ 16.4
Load rating vs Oregon average (32.3 t)
Bottom 10%
Lower load rating than 90% of Oregon bridges
190
Bridges in Lincoln · 14 in Poor condition
HWY 180 15.9 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
48.6 / 100 - historical 20–49.9 band
Structural adequacy /55
8.2
Serviceability /30
26.3
Essentiality /15
14.1
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
15.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1941
Material
Steel
Number of Spans
1
Structure Length
28.7 m (94 ft)
Deck Width
8.9 m (29 ft)
Owner
State Highway Agency
Avg Daily Traffic
248 vehicles/day
Structure Number
02711 180 01181

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.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

HWY 180 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 HWY 180 against other structures in Lincoln 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 180?

HWY 180 in Lincoln, Oregon has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is HWY 180 inspected?

HWY 180'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 248 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY 180 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 HWY 180?

HWY 180 has an NBI inventory load rating of 15.9 metric tons.

Who is responsible for maintaining HWY 180?

HWY 180 is owned and maintained by State Highway Agency.

How old is HWY 180 and does age affect safety?

HWY 180 was built in 1941, making it 85 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.