330 TH / E63
Carrying 330 TH / E63 over DRAINAGE DITCH 9-13
082323101, Greene, Iowa
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
330 TH / E63 in Greene, Iowa sits above 51% of rated Iowa bridges on inventory load rating (32 t), while its 1970 build year is earlier than 60% of Greene's recorded-year cohort (168 bridges).
330 TH / E63 in Greene, Iowa is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1970, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure IA:000000000162030
INTERSTATE-ERA · STEEL · SINGLE-SPAN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- SINGLE-SPAN Single span
- SUB-LED Substructure-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: 330 TH / E63
The 330 TH / E63 bridge in Greene, Iowa carries 330 TH / E63 over DRAINAGE DITCH 9-13. It was built in 1970, making it 56 years old today. The structure is built primarily of steel and spans 1 section, stretching 13.7 meters (45 feet) end to end. Daily traffic averages 379 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.
How 330 TH / E63 compares
Age against the county: built in 1970, earlier than 101 of Greene's 168 bridges with a recorded construction year (60%), against a county median build year of 1978. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Iowa bridges with a recorded inventory load rating (23,718 of 23,719 rated).
330 TH / E63 vs every rated Iowa bridge
Inventory load rating (metric tons), FHWA NBI, this state
32 Top 49% higher than 51% of 23,718 bridges
rated Iowa bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Greene inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 168 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1970
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 13.7 m (45 ft)
- Deck Width
- 9.1 m (30 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 379 vehicles/day
- Structure Number
- 000000000162030
Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • 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) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
330 TH / E63 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 330 TH / E63 against other structures in Greene and across Iowa. Iowa 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 330 TH / E63?
330 TH / E63 in Greene, Iowa has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is 330 TH / E63 inspected?
330 TH / E63'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 379 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 330 TH / E63 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 330 TH / E63?
330 TH / E63 has an NBI inventory load rating of 32.3 metric tons.
Who is responsible for maintaining 330 TH / E63?
330 TH / E63 is owned and maintained by County Highway Agency.
How old is 330 TH / E63 and does age affect safety?
330 TH / E63 was built in 1970, making it 56 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.