FHWA NBI 2024 Inspection record Public-domain dataset

ELVIRA RD

Carrying ELVIRA RD over MILL CREEK

082060301, Clinton, Iowa

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
30 t Inventory load rating Lower than 54% of rated Iowa bridges

ELVIRA RD in Clinton, Iowa sits above 46% of rated Iowa bridges on inventory load rating (30 t), while its 1962 build year is earlier than 86% of Clinton's recorded-year cohort (372 bridges).

ELVIRA RD in Clinton, Iowa is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1962, 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:000000000002170

INTERSTATE-ERA · CONCRETE · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial 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: ELVIRA RD

The ELVIRA RD bridge in Clinton, Iowa carries ELVIRA RD over MILL CREEK. It was built in 1962, making it 64 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 38.7 meters (127 feet) end to end. Daily traffic averages 1,360 vehicles, placing it in the moderately-trafficked tier of Iowa bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 6/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.

How ELVIRA RD compares

▼ 0.0
Load rating vs Iowa average (30.4 t; 23,718 of 23,719 rated)
372
Bridges in Clinton · 11 in Poor condition

Age against the county: built in 1962, earlier than 319 of Clinton's 372 bridges with a recorded construction year (86%), against a county median build year of 1989. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

ELVIRA RD 30.4 t
Iowa average (23,718 of 23,719 rated) 30.4 t

Live comparison across Iowa bridges with a recorded inventory load rating (23,718 of 23,719 rated).

ELVIRA RD vs every rated Iowa bridge

Inventory load rating (metric tons), FHWA NBI, this state

30 Top 54% higher than 46% 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

Deck
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
30.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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.

Clinton inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 372 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
1962
Material
Concrete Continuous
Number of Spans
3
Structure Length
38.7 m (127 ft)
Deck Width
9.1 m (30 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1,360 vehicles/day
Structure Number
000000000002170

Condition Analysis

  • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear on file for this vintage.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

ELVIRA RD 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 ELVIRA RD against other structures in Clinton 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 ELVIRA RD?

ELVIRA RD in Clinton, Iowa has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is ELVIRA RD inspected?

ELVIRA RD'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 1,360 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ELVIRA RD 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 ELVIRA RD?

ELVIRA RD has an NBI inventory load rating of 30.4 metric tons.

Who is responsible for maintaining ELVIRA RD?

ELVIRA RD is owned and maintained by City/Municipal Highway Agency.

How old is ELVIRA RD and does age affect safety?

ELVIRA RD was built in 1962, making it 64 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.