FHWA NBI 2024 Inspection record Public-domain dataset

8TH ST

Carrying 8TH ST over DELAWARE AVE

S 5 T 49 N R 33 W, Jackson, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: 8TH ST

The 8TH ST bridge in Jackson, Missouri carries 8TH ST over DELAWARE AVE. It was built in 1952, making it 74 years old today. It was last reconstructed in 1974, extending its service life. The structure is built primarily of concrete continuous and spans 2 sections, stretching 54.9 meters (180 feet) end to end. Daily traffic averages 1,754 vehicles, placing it in the moderately-trafficked tier of Missouri bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 32.4 metric tons.

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

How 8TH ST compares

▼ 1.3
Load rating vs Missouri average (33.7 t)
Bottom 45%
Lower load rating than 55% of Missouri bridges
930
Bridges in Jackson · 43 in Poor condition
8TH ST 32.4 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
62.9 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
5.0
Essentiality /15
14.9
Special reductions
−2.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1952
Last Reconstructed
1974
Material
Concrete Continuous
Number of Spans
2
Structure Length
54.9 m (180 ft)
Deck Width
9.0 m (30 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1,754 vehicles/day
Structure Number
25402

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether 8TH ST is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare 8TH ST against other structures in Jackson 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 8TH ST?

8TH ST in Jackson, Missouri has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is 8TH ST inspected?

8TH 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 1,754 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 8TH ST is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for 8TH ST?

8TH ST has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining 8TH ST?

8TH ST is owned and maintained by City/Municipal Highway Agency.

How old is 8TH ST and does age affect safety?

8TH ST was built in 1952, making it 74 years old and last reconstructed in 1974.

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.