FHWA NBI 2024 Inspection record Public-domain dataset

MILL ST.

Carrying MILL ST. over VOLGA RIVER

000000000, Fayette, Iowa

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
25 t Inventory load rating Lower than 68% of rated Iowa bridges

MILL ST. in Fayette, Iowa sits above 32% of rated Iowa bridges on inventory load rating (25 t), while its 1963 build year is earlier than 63% of Fayette's recorded-year cohort (362 bridges).

MILL ST. in Fayette, Iowa is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1963, 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:000000000011590

INTERSTATE-ERA · PRESTRESS · MULTI-SPAN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • PRESTRESS Prestressed concrete
  • MULTI-SPAN 3 spans
  • 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: MILL ST.

The MILL ST. bridge in Fayette, Iowa carries MILL ST. over VOLGA RIVER. It was built in 1963, making it 63 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 67.1 meters (220 feet) end to end. Daily traffic averages 959 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 8/9, substructure at 4/9. 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 MILL ST. compares

▼ 5.7
Load rating vs Iowa average (30.4 t; 23,718 of 23,719 rated)
362
Bridges in Fayette · 89 in Poor condition

Age against the county: built in 1963, earlier than 229 of Fayette's 362 bridges with a recorded construction year (63%), against a county median build year of 1979. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

MILL ST. 24.7 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).

MILL ST. vs every rated Iowa bridge

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

25 Top 68% higher than 32% 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
6/9
Fair (5–6)
Superstructure
8/9
Good (7–9)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
24.7 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.

Fayette inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 362 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
1963
Material
Prestressed Concrete
Number of Spans
3
Structure Length
67.1 m (220 ft)
Deck Width
9.2 m (30 ft)
Owner
County Highway Agency
Avg Daily Traffic
959 vehicles/day
Structure Number
000000000011590

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.

How to read this record

MILL ST. 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 MILL ST. against other structures in Fayette 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 MILL ST.?

MILL ST. in Fayette, Iowa has a deck rating of 6/9, superstructure rating of 8/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is MILL ST. inspected?

MILL ST.'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 959 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MILL ST. 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 MILL ST.?

MILL ST. has an NBI inventory load rating of 24.7 metric tons.

Who is responsible for maintaining MILL ST.?

MILL ST. is owned and maintained by County Highway Agency.

How old is MILL ST. and does age affect safety?

MILL ST. was built in 1963, making it 63 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

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.

XFacebookLinkedInWhatsAppEmail

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.