US Bridges

Hamburg Road over Cowpen Creek

Good

Washington County, Georgia · 4 MI N of Warthen · Structure no. 000000030350710

Built
2017
8 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
400
2024 count
Owner
County
County Highway Agency

About this bridge

Hamburg Road over Cowpen Creek is a prestressed concrete box beam or girders - multiple carrying Hamburg Road over Cowpen Creek in Washington County, Georgia. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 1% of them trucks, projected to reach 360 by 2037. The structure is 120 ft (36.6 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHamburg Road
CrossesCowpen Creek
Location4 MI N of Warthen
RouteCounty Highway 1100
StateGeorgia
Coordinates33.15925, -82.7881
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating102 US tons
Inventory rating53.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic360 by 2037
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$16 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamburg Road over Cowpen Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Hamburg Road over Cowpen 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 July 2023.

How much traffic does Hamburg Road over Cowpen Creek carry?

About 400 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Hamburg Road over Cowpen Creek?

The structure is 120 ft (36.6 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns Hamburg Road over Cowpen Creek?

It is owned by the County Highway Agency.