US Bridges

SR 120 over Yellow River

Fair

Gwinnett County, Georgia · 1.2 MI W of Lawrenceville · Structure no. 000000013500260

Built
1902
123 years old, rebuilt 1996
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
86 ft
2 main spans
Daily traffic
18,106
2024 count
Owner
State
State Highway Agency

About this bridge

SR 120 over Yellow River is a steel stringer/multi-beam or girder carrying SR 120 over Yellow River in Gwinnett County, Georgia. It was built in 1902 and reconstructed in 1996, so it is 123 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,106 vehicles a day, roughly 1% of them trucks, projected to reach 36,750 by 2032. The structure is 86 ft (26.2 m) long and 87 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 120
CrossesYellow River
Location1.2 MI W of Lawrenceville
RouteState Highway 120
StateGeorgia
Coordinates33.96885, -84.03081
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.9 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length86 ft (26.2 m)
Longest span43 ft (13.1 m)
Deck width87 ft (26.4 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,106 (2024)
Projected traffic36,750 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$779,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 120 over Yellow River built?

It was built in 1902, making it 123 years old in 2025. It was reconstructed in 1996.

What condition is SR 120 over Yellow River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does SR 120 over Yellow River carry?

About 18,106 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 120 over Yellow River?

The structure is 86 ft (26.2 m) long with a longest span of 43 ft (13.1 m) and a deck 87 ft wide.

Who owns SR 120 over Yellow River?

It is owned by the State Highway Agency.