US Bridges

SR 25 Spur over Altamaha Canal

Good

Glynn County, Georgia · 1 MI NE of Brunswick · Structure no. 000000012700120

Built
1976
49 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
28,300
2024 count
Owner
State
State Highway Agency

About this bridge

SR 25 Spur over Altamaha Canal is a concrete culvert carrying SR 25 Spur over Altamaha Canal in Glynn County, Georgia. It was built in 1976, so it is 49 years old, older 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 28,300 vehicles a day, roughly 1% of them trucks, projected to reach 29,340 by 2031. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 25 Spur
CrossesAltamaha Canal
Location1 MI NE of Brunswick
RouteState Highway 25
StateGeorgia
Coordinates31.22873, -81.49729
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,300 (2024)
Projected traffic29,340 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$335,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 25 Spur over Altamaha Canal built?

It was built in 1976, making it 49 years old in 2025.

What condition is SR 25 Spur 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 December 2024.

How much traffic does SR 25 Spur over Altamaha Canal carry?

About 28,300 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 25 Spur over Altamaha Canal?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).

Who owns SR 25 Spur over Altamaha Canal?

It is owned by the State Highway Agency.