US Bridges

SR 138 over Big Flat Creek

Fair

Walton County, Georgia · 3.4 MI NE of Walnut Grove · Structure no. 000000029700260

Built
1958
67 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
5 main spans
Daily traffic
18,100
2024 count
Owner
State
State Highway Agency

About this bridge

SR 138 over Big Flat Creek is a steel stringer/multi-beam or girder carrying SR 138 over Big Flat Creek in Walton County, Georgia. It was built in 1958, so it is 67 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.

It carries about 18,100 vehicles a day, roughly 1% of them trucks, projected to reach 22,650 by 2032. The structure is 140 ft (42.7 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 138
CrossesBig Flat Creek
Location3.4 MI NE of Walnut Grove
RouteState Highway 138
CountyWalton County
StateGeorgia
Coordinates33.76719, -83.80309
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating24.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span28 ft (8.5 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,100 (2024)
Projected traffic22,650 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$821,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 138 over Big Flat Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is SR 138 over Big Flat Creek 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 July 2023.

How much traffic does SR 138 over Big Flat Creek carry?

About 18,100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 138 over Big Flat Creek?

The structure is 140 ft (42.7 m) long with a longest span of 28 ft (8.5 m) and a deck 34 ft wide.

Who owns SR 138 over Big Flat Creek?

It is owned by the State Highway Agency.