US Bridges

Westbrook Road over Chicken Creek Trib

FairPosted for load

Fulton County, Georgia · 7 MI N of Alpharetta · Structure no. 000000012150080

Built
1956
69 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
40
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Westbrook Road over Chicken Creek Trib is a prestressed concrete channel beam carrying Westbrook Road over Chicken Creek Trib in Fulton County, Georgia. It was built in 1956, so it is 69 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 1% of them trucks, projected to reach 2,910 by 2031. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesWestbrook Road
CrossesChicken Creek Trib
Location7 MI N of Alpharetta
RouteCounty Highway 18
CountyFulton County
StateGeorgia
Coordinates34.16829, -84.28447
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating10.9 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic2,910 by 2031
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$176,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Westbrook Road over Chicken Creek Trib built?

It was built in 1956, making it 69 years old in 2025.

What condition is Westbrook Road over Chicken Creek Trib in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Westbrook Road over Chicken Creek Trib carry?

About 40 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Westbrook Road over Chicken Creek Trib?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.

Who owns Westbrook Road over Chicken Creek Trib?

It is owned by the City or Municipal Highway Agency.