US Bridges

Dugan Loop over I-59 (sr 406)

GoodPosted for load

Dade County, Georgia · 3.5 MI NE of New England · Structure no. 000000008300170

Built
1967
58 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
204 ft
4 main spans
Daily traffic
90
2024 count
Owner
State
State Highway Agency

About this bridge

Dugan Loop over I-59 (sr 406) is a steel continuous stringer/multi-beam or girder carrying Dugan Loop over I-59 (sr 406) in Dade County, Georgia. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 90 vehicles a day, roughly 1% of them trucks, projected to reach 735 by 2032. The structure is 204 ft (62.2 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesDugan Loop
CrossesI-59 (sr 406)
Location3.5 MI NE of New England
RouteCounty Highway 178
CountyDade County
StateGeorgia
Coordinates34.95364, -85.46376
Functional classRural Local

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length204 ft (62.2 m)
Longest span69 ft (21 m)
Deck width30 ft (9.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic90 (2024)
Projected traffic735 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dugan Loop over I-59 (sr 406) built?

It was built in 1967, making it 58 years old in 2025.

What condition is Dugan Loop over I-59 (sr 406) 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 July 2023.

How much traffic does Dugan Loop over I-59 (sr 406) carry?

About 90 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Dugan Loop over I-59 (sr 406)?

The structure is 204 ft (62.2 m) long with a longest span of 69 ft (21 m) and a deck 30 ft wide.

Who owns Dugan Loop over I-59 (sr 406)?

It is owned by the State Highway Agency.