US Bridges

Johnston Road over Mobley Creek Trib.

GoodPosted for load

Douglas County, Georgia · 6 MI SW of Douglasville · Structure no. 000000009750170

Built
1987
38 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
1,320
2024 count
Owner
County
County Highway Agency

About this bridge

Johnston Road over Mobley Creek Trib. is a steel stringer/multi-beam or girder carrying Johnston Road over Mobley Creek Trib. in Douglas County, Georgia. It was built in 1987, so it is 38 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. Its operating status is: posted for load restriction.

It carries about 1,320 vehicles a day, roughly 1% of them trucks, projected to reach 735 by 2032. The structure is 60 ft (18.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesJohnston Road
CrossesMobley Creek Trib.
Location6 MI SW of Douglasville
RouteCounty Highway 200
CountyDouglas County
StateGeorgia
Coordinates33.69774, -84.83161
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,320 (2024)
Projected traffic735 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$352,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Johnston Road over Mobley Creek Trib. built?

It was built in 1987, making it 38 years old in 2025.

What condition is Johnston Road over Mobley Creek 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 October 2023.

How much traffic does Johnston Road over Mobley Creek Trib. carry?

About 1,320 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Johnston Road over Mobley Creek Trib.?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns Johnston Road over Mobley Creek Trib.?

It is owned by the County Highway Agency.