US Bridges

US98 SR30A over Ditch

Fair

Bay County, Florida · 0.3 Miles E. of CR735 · Structure no. 460059

Built
1974
51 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
32,000
2022 count
Owner
State
State Highway Agency

About this bridge

US98 SR30A over Ditch is a concrete culvert carrying US98 SR30A over Ditch in Bay County, Florida. It was built in 1974, so it is 51 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 32,000 vehicles a day, roughly 6% of them trucks, projected to reach 55,520 by 2044. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS98 SR30A
CrossesDitch
Location0.3 Miles E. of CR735
RouteU.S. Route 98
StateFlorida
Coordinates30.17479, -85.60282
Functional classUrban Other Principal Arterial

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 inspectionSeptember 2024
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 rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,000 (2022)
Projected traffic55,520 by 2044
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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 SR30A over Ditch built?

It was built in 1974, making it 51 years old in 2025.

What condition is US98 SR30A 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 September 2024.

How much traffic does US98 SR30A over Ditch carry?

About 32,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is US98 SR30A over Ditch?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m).

Who owns US98 SR30A over Ditch?

It is owned by the State Highway Agency.