US Bridges

Lawhon Mill Road over Unnamed Stream

Good

Wakulla County, Florida · 3.96MI W of SR61 US319 · Structure no. 594068

Built
2020
5 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
46 ft
2 main spans
Daily traffic
125
2023 count
Owner
County
County Highway Agency

About this bridge

Lawhon Mill Road over Unnamed Stream is a concrete continuous slab carrying Lawhon Mill Road over Unnamed Stream in Wakulla County, Florida. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, projected to reach 150 by 2043. The structure is 46 ft (14 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLawhon Mill Road
CrossesUnnamed Stream
Location3.96MI W of SR61 US319
RouteCounty Highway 0
CountyWakulla County
StateFlorida
Coordinates30.13725, -84.40836
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.1 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length46 ft (14 m)
Longest span23 ft (7 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic150 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Lawhon Mill Road over Unnamed Stream built?

It was built in 2020, making it 5 years old in 2025.

What condition is Lawhon Mill Road over Unnamed Stream 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 July 2024.

How much traffic does Lawhon Mill Road over Unnamed Stream carry?

About 125 vehicles per day (2023 count).

How long is Lawhon Mill Road over Unnamed Stream?

The structure is 46 ft (14 m) long with a longest span of 23 ft (7 m) and a deck 37 ft wide.

Who owns Lawhon Mill Road over Unnamed Stream?

It is owned by the County Highway Agency.