US Bridges

US98 SR30 over Apalachicola Bay

Fair

Franklin County, Florida · 2 Miles E of Apalachicola · Structure no. 490032

Built
1988
37 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
14,175 ft
158 main spans
Daily traffic
8,100
2022 count
Owner
State
State Highway Agency

About this bridge

US98 SR30 over Apalachicola Bay is a prestressed concrete stringer/multi-beam or girder carrying US98 SR30 over Apalachicola Bay in Franklin County, Florida. It was built in 1988, so it is 37 years old, younger than the Florida average of 41.3 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 8,100 vehicles a day, roughly 11% of them trucks, projected to reach 14,054 by 2044. The structure is 14,175 ft (4,320.5 m) long and 43 ft wide. If it were closed, the detour would be 88.9 mi (143 km).

CarriesUS98 SR30
CrossesApalachicola Bay
Location2 Miles E of Apalachicola
RouteU.S. Route 98
StateFlorida
Coordinates29.73074, -84.93524
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans158 (+31 approach)
Design loadHS 20
Structure length14,175 ft (4,320.5 m)
Longest span84 ft (25.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,100 (2022)
Projected traffic14,054 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed88.9 mi (143 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US98 SR30 over Apalachicola Bay built?

It was built in 1988, making it 37 years old in 2025.

What condition is US98 SR30 over Apalachicola Bay 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 March 2024.

How much traffic does US98 SR30 over Apalachicola Bay carry?

About 8,100 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is US98 SR30 over Apalachicola Bay?

The structure is 14,175 ft (4,320.5 m) long with a longest span of 84 ft (25.6 m) and a deck 43 ft wide.

Who owns US98 SR30 over Apalachicola Bay?

It is owned by the State Highway Agency.