FHWA NBI 2024 Inspection record Public-domain dataset

GLASS DRIVE

Carrying GLASS DRIVE over LAKE CREEK

008 MI WEST HWY 99E, Linn, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
34 t Inventory load rating

Bridge Snapshot: GLASS DRIVE

The GLASS DRIVE bridge in Linn, Oregon carries GLASS DRIVE over LAKE CREEK. It was built in 1969, making it 57 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 15.5 meters (51 feet) end to end. Daily traffic averages 26 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 7/9, superstructure at 7/9, substructure at 3/9. 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 34.3 metric tons.

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

How GLASS DRIVE compares

▲ 2.0
Load rating vs Oregon average (32.3 t)
Top 39%
Higher load rating than 61% of Oregon bridges
567
Bridges in Linn · 100 in Poor condition
GLASS DRIVE 34.3 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
45.5 / 100 - historical 20–49.9 band
Structural adequacy /55
15.0
Serviceability /30
24.0
Essentiality /15
14.5
Special reductions
−8.0

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 How the historical reference is calculated.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
3/9
Poor (1–4)
Inventory Load Rating
34.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1969
Material
Prestressed Concrete
Number of Spans
1
Structure Length
15.5 m (51 ft)
Deck Width
6.1 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
26 vehicles/day
Structure Number
12362 012700076

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) rates poor at 3/9, advanced deterioration that should be prioritized for repair.

How to read this record

GLASS DRIVE 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 GLASS DRIVE against other structures in Linn 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 GLASS DRIVE?

GLASS DRIVE in Linn, Oregon has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.

How often is GLASS DRIVE inspected?

GLASS DRIVE'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 26 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. GLASS DRIVE 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 GLASS DRIVE?

GLASS DRIVE has an NBI inventory load rating of 34.3 metric tons.

Who is responsible for maintaining GLASS DRIVE?

GLASS DRIVE is owned and maintained by County Highway Agency.

How old is GLASS DRIVE and does age affect safety?

GLASS DRIVE was built in 1969, making it 57 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.