US Bridges

US98 SR30 over Wakulla River

Fair

Wakulla County, Florida · 2 Miles W of ST Marks · Structure no. 590064

Built
2010
15 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
390 ft
6 main spans
Daily traffic
4,400
2022 count
Owner
State
State Highway Agency

About this bridge

US98 SR30 over Wakulla River is a prestressed concrete stringer/multi-beam or girder carrying US98 SR30 over Wakulla River in Wakulla County, Florida. It was built in 2010, so it is 15 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 4,400 vehicles a day, roughly 20% of them trucks, projected to reach 7,634 by 2044. The structure is 390 ft (118.9 m) long and 54 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUS98 SR30
CrossesWakulla River
Location2 Miles W of ST Marks
RouteU.S. Route 98
StateFlorida
Coordinates30.17539, -84.24558
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating49.7 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length390 ft (118.9 m)
Longest span65 ft (19.8 m)
Deck width54 ft (16.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,400 (2022)
Projected traffic7,634 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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 Wakulla River built?

It was built in 2010, making it 15 years old in 2025.

What condition is US98 SR30 over Wakulla 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 July 2024.

How much traffic does US98 SR30 over Wakulla River carry?

About 4,400 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is US98 SR30 over Wakulla River?

The structure is 390 ft (118.9 m) long with a longest span of 65 ft (19.8 m) and a deck 54 ft wide.

Who owns US98 SR30 over Wakulla River?

It is owned by the State Highway Agency.