US Bridges

Centennial Road over I-20

Good

Morgan County, Georgia · 2.8 MI S of Rutledge · Structure no. 000000021100200

Built
1968
57 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
312 ft
4 main spans
Daily traffic
519
2024 count
Owner
State
State Highway Agency

About this bridge

Centennial Road over I-20 is a steel stringer/multi-beam or girder carrying Centennial Road over I-20 in Morgan County, Georgia. It was built in 1968, so it is 57 years old, older 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 519 vehicles a day, roughly 2% of them trucks, projected to reach 1,995 by 2030. The structure is 312 ft (95.1 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCentennial Road
CrossesI-20
Location2.8 MI S of Rutledge
RouteCounty Highway 256
StateGeorgia
Coordinates33.58697, -83.61039
Functional classRural Minor Collector

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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating25.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length312 ft (95.1 m)
Longest span82 ft (25 m)
Deck width33 ft (10 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic519 (2024)
Projected traffic1,995 by 2030
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$1.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Centennial Road over I-20 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Centennial Road 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 August 2024.

How much traffic does Centennial Road over I-20 carry?

About 519 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Centennial Road over I-20?

The structure is 312 ft (95.1 m) long with a longest span of 82 ft (25 m) and a deck 33 ft wide.

Who owns Centennial Road over I-20?

It is owned by the State Highway Agency.