US Bridges

SR 99 Grants Ferry over I-95 (sr 405)

Good

Glynn County, Georgia · 1.2 MI W of JCT SR 25 · Structure no. 000000012750230

Built
2014
11 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
2 main spans
Daily traffic
4,170
2024 count
Owner
State
State Highway Agency

About this bridge

SR 99 Grants Ferry over I-95 (sr 405) is a prestressed concrete stringer/multi-beam or girder carrying SR 99 Grants Ferry over I-95 (sr 405) in Glynn County, Georgia. It was built in 2014, so it is 11 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 4,170 vehicles a day, roughly 1% of them trucks, projected to reach 4,230 by 2031. The structure is 300 ft (91.4 m) long and 75 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 99 Grants Ferry
CrossesI-95 (sr 405)
Location1.2 MI W of JCT SR 25
RouteState Highway 99
CountyGlynn County
StateGeorgia
Coordinates31.30604, -81.47997
Functional classRural Major Collector

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.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length300 ft (91.4 m)
Longest span151 ft (46 m)
Deck width75 ft (22.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,170 (2024)
Projected traffic4,230 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$40 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 99 Grants Ferry over I-95 (sr 405) built?

It was built in 2014, making it 11 years old in 2025.

What condition is SR 99 Grants Ferry over I-95 (sr 405) 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 2024.

How much traffic does SR 99 Grants Ferry over I-95 (sr 405) carry?

About 4,170 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 99 Grants Ferry over I-95 (sr 405)?

The structure is 300 ft (91.4 m) long with a longest span of 151 ft (46 m) and a deck 75 ft wide.

Who owns SR 99 Grants Ferry over I-95 (sr 405)?

It is owned by the State Highway Agency.