US Bridges

Sewel Mill Road over Sewel Creek

Good

Cobb County, Georgia · 6 Miles NE of Marietta · Structure no. 000000006752750

Built
2010
15 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
153 ft
3 main spans
Daily traffic
10,100
2024 count
Owner
County
County Highway Agency

About this bridge

Sewel Mill Road over Sewel Creek is a prestressed concrete stringer/multi-beam or girder carrying Sewel Mill Road over Sewel Creek in Cobb County, Georgia. It was built in 2010, so it is 15 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 10,100 vehicles a day, roughly 1% of them trucks, projected to reach 14,680 by 2029. The structure is 153 ft (46.6 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSewel Mill Road
CrossesSewel Creek
Location6 Miles NE of Marietta
RouteCounty Highway 1308
StateGeorgia
Coordinates33.9856, -84.45472
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87 US tons
Inventory rating67.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length153 ft (46.6 m)
Longest span51 ft (15.5 m)
Deck width42 ft (12.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,100 (2024)
Projected traffic14,680 by 2029
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$897,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sewel Mill Road over Sewel Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Sewel Mill Road over Sewel 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 Sewel Mill Road over Sewel Creek carry?

About 10,100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Sewel Mill Road over Sewel Creek?

The structure is 153 ft (46.6 m) long with a longest span of 51 ft (15.5 m) and a deck 42 ft wide.

Who owns Sewel Mill Road over Sewel Creek?

It is owned by the County Highway Agency.