FHWA NBI 2024 Inspection record Public-domain dataset

HWY 241

Carrying HWY 241 over ISTHMUS SLOUGH

00.2 MI SW EASTSIDE SCL, Coos, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
17 t Inventory load rating

Bridge Snapshot: HWY 241

The HWY 241 bridge in Coos, Oregon carries HWY 241 over ISTHMUS SLOUGH. It was built in 1931, making it 95 years old today. It was last reconstructed in 1960, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 515.4 meters (1691 feet) end to end. Daily traffic averages 10,640 vehicles, placing it in the heavily-trafficked 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 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 17.2 metric tons.

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

How HWY 241 compares

▼ 15.1
Load rating vs Oregon average (32.3 t)
Bottom 12%
Lower load rating than 88% of Oregon bridges
254
Bridges in Coos · 8 in Poor condition
HWY 241 17.2 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
46.4 / 100 - historical 20–49.9 band
Structural adequacy /55
35.7
Serviceability /30
9.0
Essentiality /15
1.7
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 How the historical reference is calculated.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
17.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1931
Last Reconstructed
1960
Material
Steel
Number of Spans
1
Structure Length
515.4 m (1691 ft)
Deck Width
11.0 m (36 ft)
Owner
State Highway Agency
Avg Daily Traffic
10,640 vehicles/day
Structure Number
01132F241 00051

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • 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 HWY 241 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 241 against other structures in Coos 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 241?

HWY 241 in Coos, 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 HWY 241 inspected?

HWY 241'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 10,640 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY 241 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 HWY 241?

HWY 241 has an NBI inventory load rating of 17.2 metric tons.

Who is responsible for maintaining HWY 241?

HWY 241 is owned and maintained by State Highway Agency.

How old is HWY 241 and does age affect safety?

HWY 241 was built in 1931, making it 95 years old and last reconstructed in 1960.

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.