US Bridges

Mckinnon Road over Aucilla River Trib

Good

Thomas County, Georgia · App. 6 Mi. W. of Barwick · Structure no. 000000027551480

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
350
2024 count
Owner
County
County Highway Agency

About this bridge

Mckinnon Road over Aucilla River Trib is a concrete slab carrying Mckinnon Road over Aucilla River Trib in Thomas County, Georgia. It was built in 2004, so it is 21 years old, younger than the Georgia average of 47.5 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 350 vehicles a day, roughly 1% of them trucks, projected to reach 135 by 2031. The structure is 60 ft (18.3 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMckinnon Road
CrossesAucilla River Trib
LocationApp. 6 Mi. W. of Barwick
RouteCounty Highway 32
StateGeorgia
Coordinates30.8906, -83.84271
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating63.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2024)
Projected traffic135 by 2031
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$352,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mckinnon Road over Aucilla River Trib built?

It was built in 2004, making it 21 years old in 2025.

What condition is Mckinnon Road over Aucilla River Trib 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 Mckinnon Road over Aucilla River Trib carry?

About 350 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Mckinnon Road over Aucilla River Trib?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 35 ft wide.

Who owns Mckinnon Road over Aucilla River Trib?

It is owned by the County Highway Agency.