US Bridges

US 221/ SR 47 over I-20

Good

Columbia County, Georgia · 1 MI N of SR-223 · Structure no. 000000007350310

Built
2022
3 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
2 main spans
Daily traffic
11,900
2024 count
Owner
State
State Highway Agency

About this bridge

US 221/ SR 47 over I-20 is a prestressed concrete stringer/multi-beam or girder carrying US 221/ SR 47 over I-20 in Columbia County, Georgia. It was built in 2022, so it is 3 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 11,900 vehicles a day, roughly 13% of them trucks, projected to reach 11,000 by 2040. The structure is 240 ft (73.2 m) long and 66 ft wide.

Location

Open in Google Maps
CarriesUS 221/ SR 47
CrossesI-20
Location1 MI N of SR-223
RouteU.S. Route 221
CountyColumbia County
StateGeorgia
Coordinates33.49679, -82.3154
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating36.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span120 ft (36.6 m)
Deck width66 ft (20 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,900 (2024)
Projected traffic11,000 by 2040
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$32 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 221/ SR 47 over I-20 built?

It was built in 2022, making it 3 years old in 2025.

What condition is US 221/ SR 47 over I-20 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 US 221/ SR 47 over I-20 carry?

About 11,900 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is US 221/ SR 47 over I-20?

The structure is 240 ft (73.2 m) long with a longest span of 120 ft (36.6 m) and a deck 66 ft wide.

Who owns US 221/ SR 47 over I-20?

It is owned by the State Highway Agency.