FHWA NBI 2024 Inspection record Public-domain dataset

SR 4 (US 1)

Carrying SR 4 (US 1) over ALTAMAHA RIVER

10 MI N OF BAXLEY, Appling, Georgia

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
37 t Inventory load rating

Bridge Snapshot: SR 4 (US 1)

The SR 4 (US 1) bridge in Appling, Georgia carries SR 4 (US 1) over ALTAMAHA RIVER. It was built in 2022, making it 4 years old today. The structure is built primarily of prestressed concrete and spans 58 sections, stretching 1243.6 meters (4080 feet) end to end. Daily traffic averages 6,750 vehicles, placing it in the moderately-trafficked tier of Georgia bridges. It is owned and maintained by State 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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 37.1 metric tons.

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

How SR 4 (US 1) compares

▲ 3.0
Load rating vs Georgia average (34.1 t)
Top 21%
Higher load rating than 79% of Georgia bridges
6
Bridges in Appling
SR 4 (US 1) 37.1 t
Georgia average 34.1 t

Live comparison across Georgia.

Historical Sufficiency Rating

PlainBridge-computed
94.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
25.0
Essentiality /15
14.3
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
37.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2022
Material
Prestressed Concrete
Number of Spans
58
Structure Length
1243.6 m (4080 ft)
Deck Width
12.6 m (41 ft)
Owner
State Highway Agency
Avg Daily Traffic
6,750 vehicles/day
Structure Number
000000000150570

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • 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 SR 4 (US 1) 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 SR 4 (US 1) against other structures in Appling 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 SR 4 (US 1)?

SR 4 (US 1) in Appling, 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 SR 4 (US 1) inspected?

SR 4 (US 1)'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 6,750 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 4 (US 1) 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 SR 4 (US 1)?

SR 4 (US 1) has an NBI inventory load rating of 37.1 metric tons.

Who is responsible for maintaining SR 4 (US 1)?

SR 4 (US 1) is owned and maintained by State Highway Agency.

How old is SR 4 (US 1) and does age affect safety?

SR 4 (US 1) was built in 2022, making it 4 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.