US Bridges

US98 SR30 over Ochlockonee Bay

Fair

Franklin County, Florida · Franklin-Wakulla CO Line · Structure no. 490034

Built
1990
35 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
5,854 ft
76 main spans
Daily traffic
2,200
2022 count
Owner
State
State Highway Agency

About this bridge

US98 SR30 over Ochlockonee Bay is a prestressed concrete continuous stringer/multi-beam or girder carrying US98 SR30 over Ochlockonee Bay in Franklin County, Florida. It was built in 1990, so it is 35 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 2,200 vehicles a day, roughly 16% of them trucks, projected to reach 3,817 by 2044. The structure is 5,854 ft (1,784.3 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS98 SR30
CrossesOchlockonee Bay
LocationFranklin-Wakulla CO Line
RouteU.S. Route 98
StateFlorida
Coordinates29.96925, -84.3839
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating45.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans76
Design loadHS 20
Structure length5,854 ft (1,784.3 m)
Longest span78 ft (23.8 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2022)
Projected traffic3,817 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US98 SR30 over Ochlockonee Bay built?

It was built in 1990, making it 35 years old in 2025.

What condition is US98 SR30 over Ochlockonee 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 April 2024.

How much traffic does US98 SR30 over Ochlockonee Bay carry?

About 2,200 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is US98 SR30 over Ochlockonee Bay?

The structure is 5,854 ft (1,784.3 m) long with a longest span of 78 ft (23.8 m) and a deck 47 ft wide.

Who owns US98 SR30 over Ochlockonee Bay?

It is owned by the State Highway Agency.