US Bridges

SR 4S US 1 (sbl) over CSX Railroad

Fair

Charlton County, Georgia · 1 MI N of Folkston · Structure no. 000000004900110

Built
1949
76 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
263 ft
7 main spans
Daily traffic
3,210
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4S US 1 (sbl) over CSX Railroad is a steel stringer/multi-beam or girder carrying SR 4S US 1 (sbl) over CSX Railroad in Charlton County, Georgia. It was built in 1949, so it is 76 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 6 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 3,210 vehicles a day, roughly 1% of them trucks, projected to reach 4,800 by 2032. The structure is 263 ft (80.2 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 4S US 1 (sbl)
CrossesCSX Railroad
Location1 MI N of Folkston
RouteU.S. Route 1
CountyCharlton County
StateGeorgia
Coordinates30.86793, -82.01796
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length263 ft (80.2 m)
Longest span53 ft (16.2 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,210 (2024)
Projected traffic4,800 by 2032
Trucks1%
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$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 1949, making it 76 years old in 2025.

What condition is SR 4S US 1 (sbl) 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 4S US 1 (sbl) over CSX Railroad carry?

About 3,210 vehicles per day (2024 count), of which roughly 1% are trucks.

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

The structure is 263 ft (80.2 m) long with a longest span of 53 ft (16.2 m) and a deck 34 ft wide.

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

It is owned by the State Highway Agency.