US Bridges

US98 (SR30) over Ditch

Fair

Gulf County, Florida · 2.5 MI South of SR386 · Structure no. 510035

Built
1953
72 years old, rebuilt 2017
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
9,000
2022 count
Owner
State
State Highway Agency

About this bridge

US98 (SR30) over Ditch is a concrete culvert carrying US98 (SR30) over Ditch in Gulf County, Florida. It was built in 1953 and reconstructed in 2017, so it is 72 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 5 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 9,000 vehicles a day, roughly 12% of them trucks, projected to reach 15,615 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesUS98 (SR30)
CrossesDitch
Location2.5 MI South of SR386
RouteU.S. Route 98
CountyGulf County
StateFlorida
Coordinates29.89683, -85.36142
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.3 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2022)
Projected traffic15,615 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed18 mi (29 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 Ditch built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2017.

What condition is US98 (SR30) over Ditch 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 August 2023.

How much traffic does US98 (SR30) over Ditch carry?

About 9,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US98 (SR30) over Ditch?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3.2 m).

Who owns US98 (SR30) over Ditch?

It is owned by the State Highway Agency.