US Bridges

Mt. Vernon HWY over I-285 (sr 407)

Good

Fulton County, Georgia · In N Fulton · Structure no. 000000012154380

Built
2024
1 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
327 ft
2 main spans
Daily traffic
5,175
2024 count
Owner
State
State Highway Agency

About this bridge

Mt. Vernon HWY over I-285 (sr 407) is a concrete stringer/multi-beam or girder carrying Mt. Vernon HWY over I-285 (sr 407) in Fulton County, Georgia. It was built in 2024, so it is 1 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. Its operating status is: new structure not yet open to traffic.

It carries about 5,175 vehicles a day, roughly 1% of them trucks, projected to reach 6,550 by 2044. The structure is 327 ft (99.7 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMt. Vernon HWY
CrossesI-285 (sr 407)
LocationIn N Fulton
RouteCity Street 9212
CountyFulton County
StateGeorgia
Coordinates33.91492, -84.40062
Functional classUrban Minor Arterial

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length327 ft (99.7 m)
Longest span168 ft (51.1 m)
Deck width54 ft (16.5 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,175 (2024)
Projected traffic6,550 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$43.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mt. Vernon HWY over I-285 (sr 407) built?

It was built in 2024, making it 1 years old in 2025.

What condition is Mt. Vernon HWY over I-285 (sr 407) 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 Mt. Vernon HWY over I-285 (sr 407) carry?

About 5,175 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Mt. Vernon HWY over I-285 (sr 407)?

The structure is 327 ft (99.7 m) long with a longest span of 168 ft (51.1 m) and a deck 54 ft wide.

Who owns Mt. Vernon HWY over I-285 (sr 407)?

It is owned by the State Highway Agency.