US Bridges

US 80 over Flatrock Branch

Good

Muscogee County, Georgia · N Columbus Bypass · Structure no. 000000021501550

Built
1988
37 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
34,500
2024 count
Owner
State
State Highway Agency

About this bridge

US 80 over Flatrock Branch is a concrete culvert carrying US 80 over Flatrock Branch in Muscogee County, Georgia. It was built in 1988, so it is 37 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 34,500 vehicles a day, roughly 11% of them trucks, projected to reach 40,380 by 2031. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 80
CrossesFlatrock Branch
LocationN Columbus Bypass
RouteU.S. Route 80
StateGeorgia
Coordinates32.55346, -84.87885
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,500 (2024)
Projected traffic40,380 by 2031
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$344,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 80 over Flatrock Branch built?

It was built in 1988, making it 37 years old in 2025.

What condition is US 80 over Flatrock Branch 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 July 2024.

How much traffic does US 80 over Flatrock Branch carry?

About 34,500 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is US 80 over Flatrock Branch?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns US 80 over Flatrock Branch?

It is owned by the State Highway Agency.