US Bridges

US 1 SR 4 Sbl over South Prong Creek

Good

Richmond County, Georgia · 3.9 MI NW of Hephzibah · Structure no. 000000024551000

Built
2021
4 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
22,500
2024 count
Owner
State
State Highway Agency

About this bridge

US 1 SR 4 Sbl over South Prong Creek is a prestressed concrete stringer/multi-beam or girder carrying US 1 SR 4 Sbl over South Prong Creek in Richmond County, Georgia. It was built in 2021, so it is 4 years old, younger 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 22,500 vehicles a day, roughly 12% of them trucks, projected to reach 15,210 by 2041. The structure is 115 ft (35.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 1 SR 4 Sbl
CrossesSouth Prong Creek
Location3.9 MI NW of Hephzibah
RouteU.S. Route 1
StateGeorgia
Coordinates33.35521, -82.14341
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.9 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length115 ft (35.1 m)
Longest span115 ft (35.1 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,500 (2024)
Projected traffic15,210 by 2041
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$15.3 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 1 SR 4 Sbl over South Prong Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is US 1 SR 4 Sbl over South Prong Creek 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 November 2023.

How much traffic does US 1 SR 4 Sbl over South Prong Creek carry?

About 22,500 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is US 1 SR 4 Sbl over South Prong Creek?

The structure is 115 ft (35.1 m) long with a longest span of 115 ft (35.1 m) and a deck 40 ft wide.

Who owns US 1 SR 4 Sbl over South Prong Creek?

It is owned by the State Highway Agency.