US Bridges

US98 SR30 over Turkey Bayou

Fair

Franklin County, Florida · 11 Miles E. of Carrabelle · Structure no. 490030

Built
1986
39 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
1,350
2022 count
Owner
State
State Highway Agency

About this bridge

US98 SR30 over Turkey Bayou is a prestressed concrete slab carrying US98 SR30 over Turkey Bayou in Franklin County, Florida. It was built in 1986, so it is 39 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 1,350 vehicles a day, roughly 18% of them trucks, projected to reach 2,342 by 2044. The structure is 60 ft (18.3 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS98 SR30
CrossesTurkey Bayou
Location11 Miles E. of Carrabelle
RouteU.S. Route US-98
StateFlorida
Coordinates29.91733, -84.51204
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating75 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2022)
Projected traffic2,342 by 2044
Trucks18%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US98 SR30 over Turkey Bayou built?

It was built in 1986, making it 39 years old in 2025.

What condition is US98 SR30 over Turkey Bayou 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 Turkey Bayou carry?

About 1,350 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is US98 SR30 over Turkey Bayou?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.

Who owns US98 SR30 over Turkey Bayou?

It is owned by the State Highway Agency.