US Bridges

Timber Ridge Road over Willeo Creek Trib.

Good

Cobb County, Georgia · 9.6 MI NE of Marietta · Structure no. 000000006750730

Built
1959
66 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
2,047
2024 count
Owner
County
County Highway Agency

About this bridge

Timber Ridge Road over Willeo Creek Trib. is a steel stringer/multi-beam or girder carrying Timber Ridge Road over Willeo Creek Trib. in Cobb County, Georgia. It was built in 1959, so it is 66 years old, older 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 34 ft (10.4 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTimber Ridge Road
CrossesWilleo Creek Trib.
Location9.6 MI NE of Marietta
RouteCounty Highway 1514
StateGeorgia
Coordinates33.99224, -84.39106
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating39.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (6.9 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 closed3.1 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$199,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Timber Ridge Road over Willeo Creek Trib. built?

It was built in 1959, making it 66 years old in 2025.

What condition is Timber Ridge Road over Willeo 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 April 2023.

How much traffic does Timber Ridge Road over Willeo Creek Trib. carry?

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

How long is Timber Ridge Road over Willeo Creek Trib.?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 23 ft wide.

Who owns Timber Ridge Road over Willeo Creek Trib.?

It is owned by the County Highway Agency.