US Bridges

E Beach Causeway over Blackbank River Trib

FairPosted for load

Glynn County, Georgia · Saint Simons Island · Structure no. 000000012750030

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
60 ft
4 main spans
Daily traffic
3,340
2024 count
Owner
County
County Highway Agency

About this bridge

E Beach Causeway over Blackbank River Trib is a concrete slab carrying E Beach Causeway over Blackbank River Trib 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. Its operating status is: posted for load restriction.

It carries about 3,340 vehicles a day, roughly 1% of them trucks, projected to reach 4,590 by 2031. The structure is 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE Beach Causeway
CrossesBlackbank River Trib
LocationSaint Simons Island
RouteCity Street 6003
StateGeorgia
Coordinates31.14687, -81.37532
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.9 US tons
Inventory rating21.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width30 ft (9.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,340 (2024)
Projected traffic4,590 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$352,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E Beach Causeway over Blackbank River Trib built?

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

What condition is E Beach Causeway over Blackbank River Trib 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 E Beach Causeway over Blackbank River Trib carry?

About 3,340 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is E Beach Causeway over Blackbank River Trib?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 30 ft wide.

Who owns E Beach Causeway over Blackbank River Trib?

It is owned by the County Highway Agency.