US Bridges

Mckinnon Bridge RD over Bruce Creek Relief

Good

Walton County, Florida · 1.9 MI N of Rock Hill RD · Structure no. 604240

Built
2018
7 years old
Condition
Good
inspected June 2024
Type
Channel Beam
Concrete
Length
120 ft
3 main spans
Daily traffic
750
2023 count
Owner
County
County Highway Agency

About this bridge

Mckinnon Bridge RD over Bruce Creek Relief is a concrete channel beam carrying Mckinnon Bridge RD over Bruce Creek Relief in Walton County, Florida. It was built in 2018, so it is 7 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 750 vehicles a day, roughly 18% of them trucks, projected to reach 1,301 by 2045. The structure is 120 ft (36.6 m) long and 29 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesMckinnon Bridge RD
CrossesBruce Creek Relief
Location1.9 MI N of Rock Hill RD
RouteCounty Highway 0
StateFlorida
Coordinates30.61686, -86.03628
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 protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 rating37.3 US tons
Inventory rating28.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic1,301 by 2045
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Mckinnon Bridge RD over Bruce Creek Relief built?

It was built in 2018, making it 7 years old in 2025.

What condition is Mckinnon Bridge RD over Bruce Creek Relief 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 June 2024.

How much traffic does Mckinnon Bridge RD over Bruce Creek Relief carry?

About 750 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Mckinnon Bridge RD over Bruce Creek Relief?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Mckinnon Bridge RD over Bruce Creek Relief?

It is owned by the County Highway Agency.