US Bridges

SR 31 - SR37 - SR1 over Alapaha River

Good

Lanier County, Georgia · 2.4 MI E of Lakeland · Structure no. 000000017300220

Built
1990
35 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
860 ft
3 main spans
Daily traffic
5,860
2024 count
Owner
State
State Highway Agency

About this bridge

SR 31 - SR37 - SR1 over Alapaha River is a prestressed concrete stringer/multi-beam or girder carrying SR 31 - SR37 - SR1 over Alapaha River in Lanier County, Georgia. It was built in 1990, so it is 35 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 5,860 vehicles a day, roughly 14% of them trucks, projected to reach 6,585 by 2032. The structure is 860 ft (262.1 m) long and 47 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesSR 31 - SR37 - SR1
CrossesAlapaha River
Location2.4 MI E of Lakeland
RouteU.S. Route 129
StateGeorgia
Coordinates31.04632, -83.04244
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating66.9 US tons
Inventory rating39.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+16 approach)
Design loadHS 20
Structure length860 ft (262.1 m)
Longest span80 ft (24.4 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,860 (2024)
Projected traffic6,585 by 2032
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemNo

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$5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 31 - SR37 - SR1 over Alapaha River built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR 31 - SR37 - SR1 over Alapaha River 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 October 2023.

How much traffic does SR 31 - SR37 - SR1 over Alapaha River carry?

About 5,860 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SR 31 - SR37 - SR1 over Alapaha River?

The structure is 860 ft (262.1 m) long with a longest span of 80 ft (24.4 m) and a deck 47 ft wide.

Who owns SR 31 - SR37 - SR1 over Alapaha River?

It is owned by the State Highway Agency.