FIELD ENTRANCE
Carrying FIELD ENTRANCE over DRAINAGE (SDB)
070363204, Page, Iowa
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
FIELD ENTRANCE in Page, Iowa is rated Poor in the FHWA's 2024 National Bridge Inventory.
Built in 1990, 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:000000000363270
LATE-CENTURY · TIMBER · SINGLE-SPAN · DECK-LED · TRACE-ADT · STANDARD-LOAD · CAT-POOR
- LATE-CENTURY 1980–1999
- TIMBER Wood or timber
- SINGLE-SPAN Single span
- DECK-LED Deck-led
- TRACE-ADT Trace 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: FIELD ENTRANCE
The FIELD ENTRANCE bridge in Page, Iowa carries FIELD ENTRANCE over DRAINAGE (SDB). It was built in 1990, making it 36 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 10 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 4/9, superstructure at 5/9, substructure at 5/9. 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.
How FIELD ENTRANCE compares
Age against the county: built in 1990, earlier than 53 of Page's 196 bridges with a recorded construction year (27%), against a county median build year of 1980. This is one of the newer structures in its county.
Live comparison across Iowa bridges with a recorded inventory load rating (23,718 of 23,719 rated).
FIELD ENTRANCE vs every rated Iowa bridge
Inventory load rating (metric tons), FHWA NBI, this state
23 Top 73% higher than 27% 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.
Page inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 196 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
- 1990
- Material
- Wood or Timber
- Number of Spans
- 1
- Structure Length
- 9.8 m (32 ft)
- Deck Width
- 5.5 m (18 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 10 vehicles/day
- Structure Number
- 000000000363270
Condition Analysis
- • At 4/9, the deck (driving surface) is in poor shape, with advanced wear on file for this vintage.
- • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
FIELD ENTRANCE 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 FIELD ENTRANCE against other structures in Page 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 FIELD ENTRANCE?
FIELD ENTRANCE in Page, Iowa has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is FIELD ENTRANCE inspected?
FIELD ENTRANCE'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 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. FIELD ENTRANCE 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 FIELD ENTRANCE?
FIELD ENTRANCE has an NBI inventory load rating of 22.7 metric tons.
Who is responsible for maintaining FIELD ENTRANCE?
FIELD ENTRANCE is owned and maintained by County Highway Agency.
How old is FIELD ENTRANCE and does age affect safety?
FIELD ENTRANCE was built in 1990, making it 36 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.