FHWA NBI 2024 Inspection record Public-domain dataset

GLEN ALLEN

Carrying GLEN ALLEN over CROOKED CR

S 35 T 31 N R 9 E, Bollinger, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor

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.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How GLEN ALLEN compares

125
Bridges in Bollinger · 19 in Poor condition

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
23.0 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
8.0
Essentiality /15
15.0
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
3/9
Poor (1–4)
Substructure
3/9
Poor (1–4)
Overall Condition
Poor

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

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 that may require priority repair.
  • At 3/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

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?

An inventory load rating is not recorded for GLEN ALLEN.

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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.