US Bridges

Birdie Road over Griffin Reservoir Trib

FairPosted for load

Spalding County, Georgia · 5 MI NW of Griffin · Structure no. 000000025500420

Built
1954
71 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
1,740
2024 count
Owner
County
County Highway Agency

About this bridge

Birdie Road over Griffin Reservoir Trib is a concrete slab carrying Birdie Road over Griffin Reservoir Trib in Spalding County, Georgia. It was built in 1954, so it is 71 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 1,740 vehicles a day, roughly 1% of them trucks, projected to reach 1,800 by 2031. The structure is 60 ft (18.3 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBirdie Road
CrossesGriffin Reservoir Trib
Location5 MI NW of Griffin
RouteCounty Highway 2084
StateGeorgia
Coordinates33.31946, -84.3278
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26.9 US tons
Inventory rating11.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,740 (2024)
Projected traffic1,800 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$352,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Birdie Road over Griffin Reservoir Trib built?

It was built in 1954, making it 71 years old in 2025.

What condition is Birdie Road over Griffin Reservoir 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 August 2024.

How much traffic does Birdie Road over Griffin Reservoir Trib carry?

About 1,740 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Birdie Road over Griffin Reservoir Trib?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns Birdie Road over Griffin Reservoir Trib?

It is owned by the County Highway Agency.