FHWA NBI 2024 Inspection record Public-domain dataset

Shady Grove Rd

Carrying Shady Grove Rd over MIDDLE CREEK

1.22 MI. EAST OF LA 117, Natchitoches, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
16 t Inventory load rating

Bridge Snapshot: Shady Grove Rd

The Shady Grove Rd bridge in Natchitoches, Louisiana carries Shady Grove Rd over MIDDLE CREEK. It was built in 1983, making it 43 years old today. The structure is built primarily of prestressed concrete and spans 4 sections, stretching 23.2 meters (76 feet) end to end. Daily traffic averages 92 vehicles, placing it in the lower-traffic tier of Louisiana bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, 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 15.6 metric tons.

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

How Shady Grove Rd compares

▼ 16.7
Load rating vs Louisiana average (32.3 t)
Bottom 8%
Lower load rating than 92% of Louisiana bridges
313
Bridges in Natchitoches · 48 in Poor condition
Shady Grove Rd 15.6 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
47.9 / 100 - historical 20–49.9 band
Structural adequacy /55
7.6
Serviceability /30
27.0
Essentiality /15
13.3
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
15.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1983
Material
Prestressed Concrete
Number of Spans
4
Structure Length
23.2 m (76 ft)
Deck Width
6.8 m (22 ft)
Owner
County Highway Agency
Avg Daily Traffic
92 vehicles/day
Structure Number
083531314931121

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

Shady Grove Rd 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 Shady Grove Rd against other structures in Natchitoches and across Louisiana. Louisiana 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 Shady Grove Rd?

Shady Grove Rd in Natchitoches, Louisiana has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is Shady Grove Rd inspected?

Shady Grove Rd'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 92 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Shady Grove Rd 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 Shady Grove Rd?

Shady Grove Rd has an NBI inventory load rating of 15.6 metric tons.

Who is responsible for maintaining Shady Grove Rd?

Shady Grove Rd is owned and maintained by County Highway Agency.

How old is Shady Grove Rd and does age affect safety?

Shady Grove Rd was built in 1983, making it 43 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.