US Bridges

SR 303 over South Brunswick River

Fair

Glynn County, Georgia · 1 MI N of JCT SR 520 · Structure no. 000000012700410

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,160 ft
3 main spans
Daily traffic
9,950
2024 count
Owner
State
State Highway Agency

About this bridge

SR 303 over South Brunswick River is a steel continuous stringer/multi-beam or girder carrying SR 303 over South Brunswick River in Glynn County, Georgia. It was built in 1965, so it is 60 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,950 vehicles a day, roughly 1% of them trucks, projected to reach 13,035 by 2032. The structure is 1,160 ft (353.6 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 303
CrossesSouth Brunswick River
Location1 MI N of JCT SR 520
RouteState Highway 303
StateGeorgia
Coordinates31.15314, -81.56815
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating20 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+15 approach)
Design loadHS 20 + Mod
Structure length1,160 ft (353.6 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,950 (2024)
Projected traffic13,035 by 2032
Trucks1%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$6.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 303 over South Brunswick River built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR 303 over South Brunswick River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does SR 303 over South Brunswick River carry?

About 9,950 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 303 over South Brunswick River?

The structure is 1,160 ft (353.6 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns SR 303 over South Brunswick River?

It is owned by the State Highway Agency.