US Bridges

S Dianna Street over Stone Mill Creek

Poor

Gulf County, Florida · 1.3 Miles West of SR 71 · Structure no. 514061

Built
1995
30 years old
Condition
Poor
inspected December 2024
Type
Girder and Floorbeam System
Steel
Length
68 ft
1 main span
Daily traffic
44
2023 count
Owner
County
County Highway Agency

About this bridge

S Dianna Street over Stone Mill Creek is a steel girder and floorbeam system carrying S Dianna Street over Stone Mill Creek in Gulf County, Florida. It was built in 1995, so it is 30 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 44 vehicles a day, projected to reach 49 by 2043. The structure is 68 ft (20.7 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesS Dianna Street
CrossesStone Mill Creek
Location1.3 Miles West of SR 71
RouteCounty Highway 0
StateFlorida
Coordinates30.1575, -85.23026
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span68 ft (20.7 m)
Deck width28 ft (8.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44 (2023)
Projected traffic49 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 S Dianna Street over Stone Mill Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is S Dianna Street over Stone Mill Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does S Dianna Street over Stone Mill Creek carry?

About 44 vehicles per day (2023 count).

How long is S Dianna Street over Stone Mill Creek?

The structure is 68 ft (20.7 m) long with a longest span of 68 ft (20.7 m) and a deck 28 ft wide.

Who owns S Dianna Street over Stone Mill Creek?

It is owned by the County Highway Agency.