US Bridges

US 319/ SR 31 over Alligator Creek

Good

Telfair County, Georgia · 3.5 MI N of Jacksonville · Structure no. 000000027150280

Built
2005
20 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
2 main spans
Daily traffic
1,780
2024 count
Owner
State
State Highway Agency

About this bridge

US 319/ SR 31 over Alligator Creek is a prestressed concrete stringer/multi-beam or girder carrying US 319/ SR 31 over Alligator Creek in Telfair County, Georgia. It was built in 2005, so it is 20 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 1,780 vehicles a day, roughly 1% of them trucks, projected to reach 2,970 by 2031. The structure is 240 ft (73.2 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 319/ SR 31
CrossesAlligator Creek
Location3.5 MI N of Jacksonville
RouteU.S. Route 319
StateGeorgia
Coordinates31.86374, -82.97247
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.9 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length240 ft (73.2 m)
Longest span120 ft (36.6 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,780 (2024)
Projected traffic2,970 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 319/ SR 31 over Alligator Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 319/ SR 31 over Alligator 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 January 2025.

How much traffic does US 319/ SR 31 over Alligator Creek carry?

About 1,780 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 319/ SR 31 over Alligator Creek?

The structure is 240 ft (73.2 m) long with a longest span of 120 ft (36.6 m) and a deck 41 ft wide.

Who owns US 319/ SR 31 over Alligator Creek?

It is owned by the State Highway Agency.