US Bridges

SR30 US98 over Tidal Inlet

Fair

Franklin County, Florida · 4.5 Miles W of Carrabelle · Structure no. 490037

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Culvert
Steel
Length
27 ft
4 main spans
Daily traffic
4,900
2023 count
Owner
State
State Highway Agency

About this bridge

SR30 US98 over Tidal Inlet is a steel culvert carrying SR30 US98 over Tidal Inlet in Franklin County, Florida. It was built in 1965, so it is 60 years old, older 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 4,900 vehicles a day, roughly 11% of them trucks, projected to reach 8,502 by 2042. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 85.7 mi (138 km).

CarriesSR30 US98
CrossesTidal Inlet
Location4.5 Miles W of Carrabelle
RouteU.S. Route 98
StateFlorida
Coordinates29.8152, -84.71597
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadOther
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2023)
Projected traffic8,502 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed85.7 mi (138 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 SR30 US98 over Tidal Inlet built?

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

What condition is SR30 US98 over Tidal Inlet 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 June 2023.

How much traffic does SR30 US98 over Tidal Inlet carry?

About 4,900 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR30 US98 over Tidal Inlet?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m).

Who owns SR30 US98 over Tidal Inlet?

It is owned by the State Highway Agency.