US Bridges

Union Hill Road over SR 400 (us 19)

Good

Forsyth County, Georgia · 0.65 MI N Fulton CO LN · Structure no. 000000011750590

Built
2019
6 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
264 ft
2 main spans
Daily traffic
4,990
2024 count
Owner
State
State Highway Agency

About this bridge

Union Hill Road over SR 400 (us 19) is a prestressed concrete stringer/multi-beam or girder carrying Union Hill Road over SR 400 (us 19) in Forsyth County, Georgia. It was built in 2019, so it is 6 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 4,990 vehicles a day, roughly 3% of them trucks, projected to reach 20,710 by 2036. The structure is 264 ft (80.5 m) long and 91 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUnion Hill Road
CrossesSR 400 (us 19)
Location0.65 MI N Fulton CO LN
RouteCounty Highway 456
CountyForsyth County
StateGeorgia
Coordinates34.10802, -84.2368
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 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 rating66.9 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length264 ft (80.5 m)
Longest span132 ft (40.2 m)
Deck width91 ft (27.8 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,990 (2024)
Projected traffic20,710 by 2036
Trucks3%
Lanes on structure4
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$35.2 million (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Union Hill Road over SR 400 (us 19) built?

It was built in 2019, making it 6 years old in 2025.

What condition is Union Hill Road over SR 400 (us 19) 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 May 2023.

How much traffic does Union Hill Road over SR 400 (us 19) carry?

About 4,990 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Union Hill Road over SR 400 (us 19)?

The structure is 264 ft (80.5 m) long with a longest span of 132 ft (40.2 m) and a deck 91 ft wide.

Who owns Union Hill Road over SR 400 (us 19)?

It is owned by the State Highway Agency.