US Bridges

N Chester Avenue over 20 Mile Creek Trib.

Good

Coffee County, Georgia · Douglas - North Section · Structure no. 000000006900680

Built
1950
75 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
24 ft
4 main spans
Daily traffic
3,090
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Chester Avenue over 20 Mile Creek Trib. is a concrete culvert carrying N Chester Avenue over 20 Mile Creek Trib. in Coffee County, Georgia. It was built in 1950, so it is 75 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 3,090 vehicles a day, roughly 4% of them trucks, projected to reach 4,005 by 2032. The structure is 24 ft (7.3 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN Chester Avenue
Crosses20 Mile Creek Trib.
LocationDouglas - North Section
RouteCity Street 1702
StateGeorgia
Coordinates31.5263, -82.85157
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length24 ft (7.3 m)
Longest span5 ft (1.5 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,090 (2024)
Projected traffic4,005 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$141,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N Chester Avenue over 20 Mile Creek Trib. built?

It was built in 1950, making it 75 years old in 2025.

What condition is N Chester Avenue over 20 Mile 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 October 2023.

How much traffic does N Chester Avenue over 20 Mile Creek Trib. carry?

About 3,090 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is N Chester Avenue over 20 Mile Creek Trib.?

The structure is 24 ft (7.3 m) long with a longest span of 5 ft (1.5 m) and a deck 35 ft wide.

Who owns N Chester Avenue over 20 Mile Creek Trib.?

It is owned by the City or Municipal Highway Agency.