US Bridges

I-20 over M-9343 Evans MI

Good

DeKalb County, Georgia · 2.5 MI SW of Lithonia · Structure no. 000000008951500

Built
2005
20 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
239 ft
3 main spans
Daily traffic
141,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-20 over M-9343 Evans MI is a prestressed concrete stringer/multi-beam or girder carrying I-20 over M-9343 Evans MI in DeKalb County, Georgia. It was built in 2005, so it is 20 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 141,000 vehicles a day, roughly 1% of them trucks, projected to reach 184,005 by 2031. The structure is 239 ft (72.8 m) long and 175 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-20
CrossesM-9343 Evans MI
Location2.5 MI SW of Lithonia
RouteInterstate 20
StateGeorgia
Coordinates33.70133, -84.11657
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 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 rating64.9 US tons
Inventory rating34.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length239 ft (72.8 m)
Longest span105 ft (32 m)
Deck width175 ft (53.3 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic141,000 (2024)
Projected traffic184,005 by 2031
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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$2.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-20 over M-9343 Evans MI built?

It was built in 2005, making it 20 years old in 2025.

What condition is I-20 over M-9343 Evans MI 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 April 2024.

How much traffic does I-20 over M-9343 Evans MI carry?

About 141,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-20 over M-9343 Evans MI?

The structure is 239 ft (72.8 m) long with a longest span of 105 ft (32 m) and a deck 175 ft wide.

Who owns I-20 over M-9343 Evans MI?

It is owned by the State Highway Agency.