US Bridges

Carl Brock Road over Big Slough

Good

Decatur County, Georgia · 9 MI NE of Bainbridge · Structure no. 000000008750610

Built
2001
24 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
158
2024 count
Owner
County
County Highway Agency

About this bridge

Carl Brock Road over Big Slough is a concrete slab carrying Carl Brock Road over Big Slough in Decatur County, Georgia. It was built in 2001, so it is 24 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 158 vehicles a day, roughly 1% of them trucks, projected to reach 45 by 2032. The structure is 140 ft (42.7 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCarl Brock Road
CrossesBig Slough
Location9 MI NE of Bainbridge
RouteCounty Highway 41
StateGeorgia
Coordinates30.98734, -84.45229
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating77.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20 + Mod
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2024)
Projected traffic45 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$821,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Carl Brock Road over Big Slough built?

It was built in 2001, making it 24 years old in 2025.

What condition is Carl Brock Road over Big Slough 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 September 2023.

How much traffic does Carl Brock Road over Big Slough carry?

About 158 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Carl Brock Road over Big Slough?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Carl Brock Road over Big Slough?

It is owned by the County Highway Agency.