US Bridges

SR30A over Tidal Waterway

Good

Gulf County, Florida · 4.2 MI South of US98/SR30 · Structure no. 510071

Built
2010
15 years old
Condition
Good
inspected November 2024
Type
Slab
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
4,600
2022 count
Owner
State
State Highway Agency

About this bridge

SR30A over Tidal Waterway is a prestressed concrete slab carrying SR30A over Tidal Waterway in Gulf 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,600 vehicles a day, roughly 13% of them trucks, projected to reach 7,981 by 2044. The structure is 35 ft (10.7 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR30A
CrossesTidal Waterway
Location4.2 MI South of US98/SR30
RouteState Highway 30A
StateFlorida
Coordinates29.72175, -85.30355
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2022)
Projected traffic7,981 by 2044
Trucks13%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR30A over Tidal Waterway built?

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

What condition is SR30A over Tidal Waterway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does SR30A over Tidal Waterway carry?

About 4,600 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is SR30A over Tidal Waterway?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 43 ft wide.

Who owns SR30A over Tidal Waterway?

It is owned by the State Highway Agency.