US Bridges

US 1 / SR 4 over Lake Deborah Trib.

Good

Charlton County, Georgia · 1 MI S of Folkston · Structure no. 000000004900050

Built
1954
71 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
8,900
2024 count
Owner
State
State Highway Agency

About this bridge

US 1 / SR 4 over Lake Deborah Trib. is a concrete culvert carrying US 1 / SR 4 over Lake Deborah Trib. in Charlton County, Georgia. It was built in 1954, so it is 71 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,900 vehicles a day, roughly 1% of them trucks, projected to reach 12,480 by 2032. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 1 / SR 4
CrossesLake Deborah Trib.
Location1 MI S of Folkston
RouteU.S. Route 1
StateGeorgia
Coordinates30.80627, -81.99464
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating61.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,900 (2024)
Projected traffic12,480 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost$299,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 1 / SR 4 over Lake Deborah Trib. built?

It was built in 1954, making it 71 years old in 2025.

What condition is US 1 / SR 4 over Lake Deborah Trib. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does US 1 / SR 4 over Lake Deborah Trib. carry?

About 8,900 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 1 / SR 4 over Lake Deborah Trib.?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns US 1 / SR 4 over Lake Deborah Trib.?

It is owned by the State Highway Agency.