US Bridges

Webb Gin House RD over Lake Mathews Trib

Good

Gwinnett County, Georgia · 2 MI N of Snellville · Structure no. 000000013550490

Built
1988
37 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
2,047
2024 count
Owner
County
County Highway Agency

About this bridge

Webb Gin House RD over Lake Mathews Trib is a concrete culvert carrying Webb Gin House RD over Lake Mathews Trib in Gwinnett County, Georgia. It was built in 1988, so it is 37 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 2,047 vehicles a day, roughly 1% of them trucks, projected to reach 2,895 by 2032. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWebb Gin House RD
CrossesLake Mathews Trib
Location2 MI N of Snellville
RouteCounty Highway 335
StateGeorgia
Coordinates33.89297, -84.0257
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2024)
Projected traffic2,895 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$188,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Webb Gin House RD over Lake Mathews Trib built?

It was built in 1988, making it 37 years old in 2025.

What condition is Webb Gin House RD over Lake Mathews Trib 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 January 2024.

How much traffic does Webb Gin House RD over Lake Mathews Trib carry?

About 2,047 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Webb Gin House RD over Lake Mathews Trib?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Webb Gin House RD over Lake Mathews Trib?

It is owned by the County Highway Agency.