US Bridges

US 129 SR 24 over I-20

Good

Morgan County, Georgia · 2.8 MI S of Madison · Structure no. 000000021150620

Built
2003
22 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
215 ft
2 main spans
Daily traffic
20,400
2024 count
Owner
State
State Highway Agency

About this bridge

US 129 SR 24 over I-20 is a prestressed concrete stringer/multi-beam or girder carrying US 129 SR 24 over I-20 in Morgan County, Georgia. It was built in 2003, so it is 22 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 20,400 vehicles a day, roughly 20% of them trucks, projected to reach 35,040 by 2030. The structure is 215 ft (65.5 m) long and 97 ft wide.

CarriesUS 129 SR 24
CrossesI-20
Location2.8 MI S of Madison
RouteU.S. Route 129
StateGeorgia
Coordinates33.55527, -83.47453
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.
Last inspectionAugust 2024
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 rating65.9 US tons
Inventory rating37.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length215 ft (65.5 m)
Longest span108 ft (32.9 m)
Deck width97 ft (29.5 m)
Roadway width82 ft (25.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,400 (2024)
Projected traffic35,040 by 2030
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 129 SR 24 over I-20 built?

It was built in 2003, making it 22 years old in 2025.

What condition is US 129 SR 24 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 US 129 SR 24 over I-20 carry?

About 20,400 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is US 129 SR 24 over I-20?

The structure is 215 ft (65.5 m) long with a longest span of 108 ft (32.9 m) and a deck 97 ft wide.

Who owns US 129 SR 24 over I-20?

It is owned by the State Highway Agency.