US Bridges

Killian Hill Road over Camp Creek

Good

Gwinnett County, Georgia · In Lilburn · Structure no. 000000013500910

Built
1981
44 years old, rebuilt 1990
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
26,900
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Killian Hill Road over Camp Creek is a concrete culvert carrying Killian Hill Road over Camp Creek in Gwinnett County, Georgia. It was built in 1981 and reconstructed in 1990, so it is 44 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 26,900 vehicles a day, roughly 1% of them trucks, projected to reach 27,510 by 2032. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKillian Hill Road
CrossesCamp Creek
LocationIn Lilburn
RouteCity Street 9317
StateGeorgia
Coordinates33.89413, -84.13354
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
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 alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length44 ft (13.4 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 traffic26,900 (2024)
Projected traffic27,510 by 2032
Trucks1%
Lanes on structure5
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$469,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Killian Hill Road over Camp Creek built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 1990.

What condition is Killian Hill Road over Camp Creek 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 Killian Hill Road over Camp Creek carry?

About 26,900 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Killian Hill Road over Camp Creek?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m).

Who owns Killian Hill Road over Camp Creek?

It is owned by the City or Municipal Highway Agency.