US Bridges

US 19 over M-9486 Mansell Road

Good

Fulton County, Georgia · In South Alpharetta · Structure no. 000000012107320

Built
1991
34 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
2 main spans
Daily traffic
159,000
2024 count
Owner
State
State Highway Agency

About this bridge

US 19 over M-9486 Mansell Road is a prestressed concrete stringer/multi-beam or girder carrying US 19 over M-9486 Mansell Road in Fulton County, Georgia. It was built in 1991, so it is 34 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 159,000 vehicles a day, roughly 3% of them trucks, projected to reach 201,180 by 2031. The structure is 200 ft (61 m) long and 138 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 19
CrossesM-9486 Mansell Road
LocationIn South Alpharetta
RouteU.S. Route 19
StateGeorgia
Coordinates34.03919, -84.31133
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating37.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length200 ft (61 m)
Longest span107 ft (32.6 m)
Deck width138 ft (42 m)
Roadway width132 ft (40.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159,000 (2024)
Projected traffic201,180 by 2031
Trucks3%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$3.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 19 over M-9486 Mansell Road built?

It was built in 1991, making it 34 years old in 2025.

What condition is US 19 over M-9486 Mansell Road 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 September 2023.

How much traffic does US 19 over M-9486 Mansell Road carry?

About 159,000 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is US 19 over M-9486 Mansell Road?

The structure is 200 ft (61 m) long with a longest span of 107 ft (32.6 m) and a deck 138 ft wide.

Who owns US 19 over M-9486 Mansell Road?

It is owned by the State Highway Agency.