US Bridges

I-20 over Pole Bridge Creek Trib

Good

DeKalb County, Georgia · 2.6 MI SW of Lithonia · Structure no. 000000008900590

Built
1959
66 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
141,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-20 over Pole Bridge Creek Trib is a concrete culvert carrying I-20 over Pole Bridge Creek Trib in DeKalb County, Georgia. It was built in 1959, so it is 66 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 141,000 vehicles a day, roughly 9% of them trucks, projected to reach 196,995 by 2031. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-20
CrossesPole Bridge Creek Trib
Location2.6 MI SW of Lithonia
RouteInterstate 20
StateGeorgia
Coordinates33.70318, -84.15209
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic141,000 (2024)
Projected traffic196,995 by 2031
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$270,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-20 over Pole Bridge Creek Trib built?

It was built in 1959, making it 66 years old in 2025.

What condition is I-20 over Pole Bridge Creek Trib 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 March 2024.

How much traffic does I-20 over Pole Bridge Creek Trib carry?

About 141,000 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I-20 over Pole Bridge Creek Trib?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns I-20 over Pole Bridge Creek Trib?

It is owned by the State Highway Agency.