US Bridges

Kelly Mill Road over Bone Creek No. 1

Good

Okaloosa County, Florida · 1.7 MI N of Bryant Bridge · Structure no. 574150

Built
2006
19 years old
Condition
Good
inspected April 2024
Type
Channel Beam
Concrete
Length
48 ft
2 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Kelly Mill Road over Bone Creek No. 1 is a concrete channel beam carrying Kelly Mill Road over Bone Creek No. 1 in Okaloosa County, Florida. It was built in 2006, so it is 19 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, roughly 1% of them trucks, projected to reach 174 by 2046. The structure is 48 ft (14.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKelly Mill Road
CrossesBone Creek No. 1
Location1.7 MI N of Bryant Bridge
RouteCounty Highway 0
StateFlorida
Coordinates30.73842, -86.77476
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic174 by 2046
Trucks1%
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 Kelly Mill Road over Bone Creek No. 1 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Kelly Mill Road over Bone Creek No. 1 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 April 2024.

How much traffic does Kelly Mill Road over Bone Creek No. 1 carry?

About 100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Kelly Mill Road over Bone Creek No. 1?

The structure is 48 ft (14.6 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns Kelly Mill Road over Bone Creek No. 1?

It is owned by the County Highway Agency.