FHWA NBI 2024 Inspection record Public-domain dataset

RP IS64E TO GRAND

Carrying RP IS64E TO GRAND over FDRL SIGN CO ENTR

S 16 T 45 N R 7 E, St. Louis city, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
43 t Inventory load rating

Bridge Snapshot: RP IS64E TO GRAND

The RP IS64E TO GRAND bridge in St. Louis city, Missouri carries RP IS64E TO GRAND over FDRL SIGN CO ENTR. It was built in 1960, making it 66 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 21.6 meters (71 feet) end to end. Daily traffic averages 6,052 vehicles, placing it in the moderately-trafficked tier of Missouri bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 5/9. 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. Its NBI inventory load rating is 43.2 metric tons.

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

How RP IS64E TO GRAND compares

▲ 9.5
Load rating vs Missouri average (33.7 t)
Top 23%
Higher load rating than 77% of Missouri bridges
240
Bridges in St. Louis city · 20 in Poor condition
RP IS64E TO GRAND 43.2 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
32.0 / 100 - historical 20–49.9 band
Structural adequacy /55
30.0
Serviceability /30
2.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
43.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1960
Material
Concrete Continuous
Number of Spans
3
Structure Length
21.6 m (71 ft)
Deck Width
10.0 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
6,052 vehicles/day
Structure Number
383

Condition Analysis

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

How to read this record

RP IS64E TO GRAND 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 RP IS64E TO GRAND against other structures in St. Louis city 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 RP IS64E TO GRAND?

RP IS64E TO GRAND in St. Louis city, Missouri has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is RP IS64E TO GRAND inspected?

RP IS64E TO GRAND'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 6,052 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RP IS64E TO GRAND 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 RP IS64E TO GRAND?

RP IS64E TO GRAND has an NBI inventory load rating of 43.2 metric tons.

Who is responsible for maintaining RP IS64E TO GRAND?

RP IS64E TO GRAND is owned and maintained by State Highway Agency.

How old is RP IS64E TO GRAND and does age affect safety?

RP IS64E TO GRAND was built in 1960, making it 66 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.