FHWA NBI 2024 Inspection record Public-domain dataset

WINDY HILL/MACLAND

Carrying WINDY HILL/MACLAND over OLLEY CREEK

3 MILES WEST OF SYMRNA, Cobb, Georgia

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
40 t Inventory load rating

Bridge Snapshot: WINDY HILL/MACLAND

The WINDY HILL/MACLAND bridge in Cobb, Georgia carries WINDY HILL/MACLAND over OLLEY CREEK. It was built in 2010, making it 16 years old today. The structure is built primarily of prestressed concrete and spans 4 sections, stretching 154.8 meters (508 feet) end to end. Daily traffic averages 15,105 vehicles, placing it in the heavily-trafficked tier of Georgia bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 39.9 metric tons.

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

How WINDY HILL/MACLAND compares

▲ 5.8
Load rating vs Georgia average (34.1 t)
Top 17%
Higher load rating than 83% of Georgia bridges
452
Bridges in Cobb
WINDY HILL/MACLAND 39.9 t
Georgia average 34.1 t

Live comparison across Georgia.

Historical Sufficiency Rating

PlainBridge-computed
98.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.6
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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
39.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2010
Material
Prestressed Concrete
Number of Spans
4
Structure Length
154.8 m (508 ft)
Deck Width
23.0 m (75 ft)
Owner
County Highway Agency
Avg Daily Traffic
15,105 vehicles/day
Structure Number
000000006752960

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether WINDY HILL/MACLAND 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 WINDY HILL/MACLAND against other structures in Cobb and across Georgia. Georgia 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 WINDY HILL/MACLAND?

WINDY HILL/MACLAND in Cobb, Georgia has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is WINDY HILL/MACLAND inspected?

WINDY HILL/MACLAND'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 15,105 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. WINDY HILL/MACLAND is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for WINDY HILL/MACLAND?

WINDY HILL/MACLAND has an NBI inventory load rating of 39.9 metric tons.

Who is responsible for maintaining WINDY HILL/MACLAND?

WINDY HILL/MACLAND is owned and maintained by County Highway Agency.

How old is WINDY HILL/MACLAND and does age affect safety?

WINDY HILL/MACLAND was built in 2010, making it 16 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.