US Bridges

SR 31 over I-75 (exit 11) SR 31 (nb

Good

Lowndes County, Georgia · 5 MI S of Valdosta · Structure no. 000000018550970

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
316 ft
2 main spans
Daily traffic
10,100
2024 count
Owner
State
State Highway Agency

About this bridge

SR 31 over I-75 (exit 11) SR 31 (nb is a concrete continuous stringer/multi-beam or girder carrying SR 31 over I-75 (exit 11) SR 31 (nb in Lowndes County, Georgia. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,100 vehicles a day, roughly 1% of them trucks, projected to reach 12,735 by 2032. The structure is 316 ft (96.3 m) long and 59 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 31
CrossesI-75 (exit 11) SR 31 (nb
Location5 MI S of Valdosta
RouteState Highway 31
StateGeorgia
Coordinates30.75096, -83.27363
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating40.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length316 ft (96.3 m)
Longest span158 ft (48.2 m)
Deck width59 ft (18.1 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,100 (2024)
Projected traffic12,735 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$42.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 31 over I-75 (exit 11) SR 31 (nb built?

It was built in 2024, making it 1 years old in 2025.

What condition is SR 31 over I-75 (exit 11) SR 31 (nb 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 September 2024.

How much traffic does SR 31 over I-75 (exit 11) SR 31 (nb carry?

About 10,100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 31 over I-75 (exit 11) SR 31 (nb?

The structure is 316 ft (96.3 m) long with a longest span of 158 ft (48.2 m) and a deck 59 ft wide.

Who owns SR 31 over I-75 (exit 11) SR 31 (nb?

It is owned by the State Highway Agency.