US Bridges

Mart Jernigan Road over Dillons Ditch

Good

Santa Rosa County, Florida · 0.6MI E of Old Pollard RD · Structure no. 584165

Built
1995
30 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
4 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Mart Jernigan Road over Dillons Ditch is a wood or timber stringer/multi-beam or girder carrying Mart Jernigan Road over Dillons Ditch in Santa Rosa 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, projected to reach 174 by 2044. The structure is 39 ft (11.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMart Jernigan Road
CrossesDillons Ditch
Location0.6MI E of Old Pollard RD
RouteCounty Highway 0
StateFlorida
Coordinates30.9782, -87.13809
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.3 US tons
Inventory rating48.9 US tons

Structure

MaterialWood or Timber
DeckConcrete, precast panels
Main spans4
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span10 ft (3.1 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic174 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Mart Jernigan Road over Dillons Ditch built?

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

What condition is Mart Jernigan Road over Dillons Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Mart Jernigan Road over Dillons Ditch carry?

About 100 vehicles per day (2024 count).

How long is Mart Jernigan Road over Dillons Ditch?

The structure is 39 ft (11.9 m) long with a longest span of 10 ft (3.1 m) and a deck 24 ft wide.

Who owns Mart Jernigan Road over Dillons Ditch?

It is owned by the County Highway Agency.