US Bridges

Glynn CO Parkway over Altamaha Canal

Good

Glynn County, Georgia · 1MI E of I-95 SP-25 Int · Structure no. 000000012750250

Built
2017
8 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
3 main spans
Daily traffic
3,330
2024 count
Owner
County
County Highway Agency

About this bridge

Glynn CO Parkway over Altamaha Canal is a prestressed concrete stringer/multi-beam or girder carrying Glynn CO Parkway over Altamaha Canal in Glynn County, Georgia. It was built in 2017, so it is 8 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 3,330 vehicles a day, projected to reach 3,200 by 2035. The structure is 85 ft (25.9 m) long and 82 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesGlynn CO Parkway
CrossesAltamaha Canal
Location1MI E of I-95 SP-25 Int
RouteCounty Highway 855
CountyGlynn County
StateGeorgia
Coordinates31.2472, -81.4847
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length85 ft (25.9 m)
Longest span30 ft (9.1 m)
Deck width82 ft (25 m)
Roadway width79 ft (24.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,330 (2024)
Projected traffic3,200 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$11.3 million (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Glynn CO Parkway over Altamaha Canal built?

It was built in 2017, making it 8 years old in 2025.

What condition is Glynn CO Parkway over Altamaha Canal 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 Glynn CO Parkway over Altamaha Canal carry?

About 3,330 vehicles per day (2024 count).

How long is Glynn CO Parkway over Altamaha Canal?

The structure is 85 ft (25.9 m) long with a longest span of 30 ft (9.1 m) and a deck 82 ft wide.

Who owns Glynn CO Parkway over Altamaha Canal?

It is owned by the County Highway Agency.