US Bridges

Griffith Mill Road over Penny Creek

Fair

Okaloosa County, Florida · 1.7MI N Lighthouse Church · Structure no. 574142

Built
2001
24 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
102 ft
3 main spans
Daily traffic
80
2024 count
Owner
County
County Highway Agency

About this bridge

Griffith Mill Road over Penny Creek is a concrete channel beam carrying Griffith Mill Road over Penny Creek in Okaloosa County, Florida. It was built in 2001, so it is 24 years old, younger 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 80 vehicles a day, projected to reach 139 by 2044. The structure is 102 ft (31.1 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGriffith Mill Road
CrossesPenny Creek
Location1.7MI N Lighthouse Church
RouteCounty Highway 0
StateFlorida
Coordinates30.78117, -86.7078
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93 US tons
Inventory rating56 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2024)
Projected traffic139 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 Griffith Mill Road over Penny Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Griffith Mill Road over Penny Creek 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 October 2024.

How much traffic does Griffith Mill Road over Penny Creek carry?

About 80 vehicles per day (2024 count).

How long is Griffith Mill Road over Penny Creek?

The structure is 102 ft (31.1 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns Griffith Mill Road over Penny Creek?

It is owned by the County Highway Agency.