US Bridges

Twin Lake Drive over Douglas Lake

Good

Decatur County, Georgia · 1.5 MI South East of Bain · Structure no. 000000008750510

Built
1978
47 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
500
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Twin Lake Drive over Douglas Lake is a concrete culvert carrying Twin Lake Drive over Douglas Lake in Decatur County, Georgia. It was built in 1978, so it is 47 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 1,065 by 2032. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTwin Lake Drive
CrossesDouglas Lake
Location1.5 MI South East of Bain
RouteCity Street 926
StateGeorgia
Coordinates30.88926, -84.54663
Functional classUrban Local

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 protection7 GoodSome minor problems.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 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 traffic500 (2024)
Projected traffic1,065 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost$123,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Twin Lake Drive over Douglas Lake built?

It was built in 1978, making it 47 years old in 2025.

What condition is Twin Lake Drive over Douglas Lake 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 Twin Lake Drive over Douglas Lake carry?

About 500 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Twin Lake Drive over Douglas Lake?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Twin Lake Drive over Douglas Lake?

It is owned by the City or Municipal Highway Agency.