FHWA NBI 2024 Inspection record Public-domain dataset

285 TH ST

Carrying 285 TH ST over W FK OF GRAND RVR

S 32 T 64 N R 32 W, Gentry, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
7 t Inventory load rating

Bridge Snapshot: 285 TH ST

The 285 TH ST bridge in Gentry, Missouri carries 285 TH ST over W FK OF GRAND RVR. It was built in 1910, making it 116 years old today. It was last reconstructed in 2008, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 127.2 meters (417 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Missouri bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, 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. Its NBI inventory load rating is 7.2 metric tons.

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

How 285 TH ST compares

▼ 26.5
Load rating vs Missouri average (33.7 t)
Bottom 2%
Lower load rating than 98% of Missouri bridges
246
Bridges in Gentry · 36 in Poor condition
285 TH ST 7.2 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
23.8 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
9.0
Essentiality /15
14.8
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
7.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1910
Last Reconstructed
2008
Material
Steel
Number of Spans
1
Structure Length
127.2 m (417 ft)
Deck Width
4.6 m (15 ft)
Owner
County Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
13002

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

285 TH 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 285 TH ST against other structures in Gentry 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 285 TH ST?

285 TH ST in Gentry, Missouri has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is 285 TH ST inspected?

285 TH 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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 285 TH 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 285 TH ST?

285 TH ST has an NBI inventory load rating of 7.2 metric tons.

Who is responsible for maintaining 285 TH ST?

285 TH ST is owned and maintained by County Highway Agency.

How old is 285 TH ST and does age affect safety?

285 TH ST was built in 1910, making it 116 years old and last reconstructed in 2008.

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.