US Bridges

Johnson Mtn. Road over Salacoa Creek

Good

Bartow County, Georgia · 8.9 MI NE of White · Structure no. 000000001551410

Built
2011
14 years old
Condition
Good
inspected August 2024
Type
Truss - Thru
Steel
Length
115 ft
1 main span
Daily traffic
70
2024 count
Owner
County
County Highway Agency

About this bridge

Johnson Mtn. Road over Salacoa Creek is a steel truss - thru carrying Johnson Mtn. Road over Salacoa Creek in Bartow County, Georgia. It was built in 2011, so it is 14 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 70 vehicles a day, roughly 3% of them trucks, projected to reach 1,110 by 2031. The structure is 115 ft (35.1 m) long and 12 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesJohnson Mtn. Road
CrossesSalacoa Creek
Location8.9 MI NE of White
RouteCounty Highway 304
StateGeorgia
Coordinates34.39043, -84.66901
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating88 US tons
Inventory rating52.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span115 ft (35.1 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2024)
Projected traffic1,110 by 2031
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$490,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Johnson Mtn. Road over Salacoa Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Johnson Mtn. Road over Salacoa Creek 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 August 2024.

How much traffic does Johnson Mtn. Road over Salacoa Creek carry?

About 70 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Johnson Mtn. Road over Salacoa Creek?

The structure is 115 ft (35.1 m) long with a longest span of 115 ft (35.1 m) and a deck 12 ft wide.

Who owns Johnson Mtn. Road over Salacoa Creek?

It is owned by the County Highway Agency.