US Bridges

SR 4 US 1 (nbl) over CSX Railroad

Fair

Charlton County, Georgia · 2 MI N of Folkston · Structure no. 000000004900100

Built
1958
67 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
194 ft
5 main spans
Daily traffic
3,010
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4 US 1 (nbl) over CSX Railroad is a steel stringer/multi-beam or girder carrying SR 4 US 1 (nbl) over CSX Railroad in Charlton County, Georgia. It was built in 1958, so it is 67 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,010 vehicles a day, roughly 34% of them trucks, projected to reach 4,590 by 2032. The structure is 194 ft (59.1 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 4 US 1 (nbl)
CrossesCSX Railroad
Location2 MI N of Folkston
RouteU.S. Route 1
CountyCharlton County
StateGeorgia
Coordinates30.87283, -82.0183
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length194 ft (59.1 m)
Longest span42 ft (12.8 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,010 (2024)
Projected traffic4,590 by 2032
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 4 US 1 (nbl) over CSX Railroad built?

It was built in 1958, making it 67 years old in 2025.

What condition is SR 4 US 1 (nbl) over CSX Railroad in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does SR 4 US 1 (nbl) over CSX Railroad carry?

About 3,010 vehicles per day (2024 count), of which roughly 34% are trucks.

How long is SR 4 US 1 (nbl) over CSX Railroad?

The structure is 194 ft (59.1 m) long with a longest span of 42 ft (12.8 m) and a deck 34 ft wide.

Who owns SR 4 US 1 (nbl) over CSX Railroad?

It is owned by the State Highway Agency.