US Bridges

US 27 (NBL)-SR1 over Swamp Creek

Good

Decatur County, Georgia · 5 Miles Southeast of Atta · Structure no. 000000008700490

Built
1994
31 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Concrete
Length
180 ft
6 main spans
Daily traffic
4,960
2024 count
Owner
State
State Highway Agency

About this bridge

US 27 (NBL)-SR1 over Swamp Creek is a concrete tee beam carrying US 27 (NBL)-SR1 over Swamp Creek in Decatur County, Georgia. It was built in 1994, so it is 31 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 4,960 vehicles a day, roughly 26% of them trucks, projected to reach 7,440 by 2032. The structure is 180 ft (54.9 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 27 (NBL)-SR1
CrossesSwamp Creek
Location5 Miles Southeast of Atta
RouteU.S. Route 27
StateGeorgia
Coordinates30.71991, -84.41104
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 rating60 US tons
Inventory rating35.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length180 ft (54.9 m)
Longest span30 ft (9.1 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,960 (2024)
Projected traffic7,440 by 2032
Trucks26%
Lanes on structure2
Traffic directionOne-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$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 27 (NBL)-SR1 over Swamp Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is US 27 (NBL)-SR1 over Swamp 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 October 2023.

How much traffic does US 27 (NBL)-SR1 over Swamp Creek carry?

About 4,960 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is US 27 (NBL)-SR1 over Swamp Creek?

The structure is 180 ft (54.9 m) long with a longest span of 30 ft (9.1 m) and a deck 41 ft wide.

Who owns US 27 (NBL)-SR1 over Swamp Creek?

It is owned by the State Highway Agency.