US Bridges

CR 4 over Thomas Branch

FairPosted for load

Charlton County, Georgia · 9 MI S of ST George · Structure no. 000000004950100

Built
1950
75 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
2 main spans
Daily traffic
158
2024 count
Owner
County
County Highway Agency

About this bridge

CR 4 over Thomas Branch is a steel stringer/multi-beam or girder carrying CR 4 over Thomas Branch in Charlton County, Georgia. It was built in 1950, so it is 75 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 6 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 158 vehicles a day, roughly 1% of them trucks, projected to reach 120 by 2032. The structure is 32 ft (9.8 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCR 4
CrossesThomas Branch
Location9 MI S of ST George
RouteCounty Highway 4
CountyCharlton County
StateGeorgia
Coordinates30.39196, -82.05275
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.9 US tons
Inventory rating16 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length32 ft (9.8 m)
Longest span16 ft (4.9 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2024)
Projected traffic120 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$188,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 4 over Thomas Branch built?

It was built in 1950, making it 75 years old in 2025.

What condition is CR 4 over Thomas Branch 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 CR 4 over Thomas Branch carry?

About 158 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is CR 4 over Thomas Branch?

The structure is 32 ft (9.8 m) long with a longest span of 16 ft (4.9 m) and a deck 21 ft wide.

Who owns CR 4 over Thomas Branch?

It is owned by the County Highway Agency.