GLEN ALLEN
Carrying GLEN ALLEN over CROOKED CR
S 35 T 31 N R 9 E, Bollinger, Missouri
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
GLEN ALLEN in Bollinger, Missouri sits above 1% of rated Missouri bridges on inventory load rating (0 t), while its 1908 build year is earlier than 97% of Bollinger's recorded-year cohort (124 bridges).
GLEN ALLEN in Bollinger, Missouri is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1908, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 3. 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 MO:17880
PRE-1950 · STEEL · MULTI-SPAN · TIED-CTRL · LOCAL-ADT · TRACE-LOAD · CAT-POOR
- PRE-1950 Pre-1950
- STEEL Steel
- MULTI-SPAN 2 spans
- TIED-CTRL Tied control
- LOCAL-ADT Local ADT
- TRACE-LOAD Trace 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: GLEN ALLEN
The GLEN ALLEN bridge in Bollinger, Missouri carries GLEN ALLEN over CROOKED CR. It was built in 1908, making it 118 years old today. The structure is built primarily of steel and spans 2 sections, stretching 31.1 meters (102 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Missouri bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 3/9, substructure at 3/9. 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 GLEN ALLEN compares
Age against the county: built in 1908, earlier than 120 of Bollinger's 124 bridges with a recorded construction year (97%), against a county median build year of 1960. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Missouri bridges with a recorded inventory load rating (24,616 of 24,618 rated).
GLEN ALLEN vs every rated Missouri bridge
Inventory load rating (metric tons), FHWA NBI, this state
0 Top 99% higher than 1% of 24,616 bridges
rated Missouri 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.
Bollinger inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 124 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
- 1908
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 31.1 m (102 ft)
- Deck Width
- 3.7 m (12 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 100 vehicles/day
- Structure Number
- 17880
Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) is in poor condition (3/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
- • At 3/9, the substructure (piers and abutments) is in poor shape, with advanced wear on file for this vintage.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
GLEN ALLEN 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 GLEN ALLEN against other structures in Bollinger and across Missouri. Missouri 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 GLEN ALLEN?
GLEN ALLEN in Bollinger, Missouri has a deck rating of 7/9, superstructure rating of 3/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.
How often is GLEN ALLEN inspected?
GLEN ALLEN'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 100 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. GLEN ALLEN 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 GLEN ALLEN?
GLEN ALLEN has an NBI inventory load rating of 0.0 metric tons.
Who is responsible for maintaining GLEN ALLEN?
GLEN ALLEN is owned and maintained by City/Municipal Highway Agency.
How old is GLEN ALLEN and does age affect safety?
GLEN ALLEN was built in 1908, making it 118 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.
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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.
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.