US Bridges

Knight Bottom RD over Salacoa Creek

Good

Gordon County, Georgia · 4.4 Mi. W of Ranger · Structure no. 000000012950890

Built
2002
23 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
170
2024 count
Owner
County
County Highway Agency

About this bridge

Knight Bottom RD over Salacoa Creek is a prestressed concrete stringer/multi-beam or girder carrying Knight Bottom RD over Salacoa Creek in Gordon County, Georgia. It was built in 2002, so it is 23 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 170 vehicles a day, roughly 1% of them trucks, projected to reach 735 by 2032. The structure is 150 ft (45.7 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesKnight Bottom RD
CrossesSalacoa Creek
Location4.4 Mi. W of Ranger
RouteCounty Highway 233
StateGeorgia
Coordinates34.50486, -84.78846
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 20 + Mod
Structure length150 ft (45.7 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2024)
Projected traffic735 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$879,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Knight Bottom RD over Salacoa Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Knight Bottom RD 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 June 2023.

How much traffic does Knight Bottom RD over Salacoa Creek carry?

About 170 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Knight Bottom RD over Salacoa Creek?

The structure is 150 ft (45.7 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Knight Bottom RD over Salacoa Creek?

It is owned by the County Highway Agency.