US Bridges

SR331 Ramp to I-75 over Mud Creek

Fair

Clayton County, Georgia · 1 MI W of Forest Park · Structure no. 000000006300960

Built
1977
48 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
64 ft
3 main spans
Daily traffic
5,700
2024 count
Owner
State
State Highway Agency

About this bridge

SR331 Ramp to I-75 over Mud Creek is a concrete culvert carrying SR331 Ramp to I-75 over Mud Creek in Clayton County, Georgia. It was built in 1977, so it is 48 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.

It carries about 5,700 vehicles a day, roughly 1% of them trucks, projected to reach 7,725 by 2032. The structure is 64 ft (19.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR331 Ramp to I-75
CrossesMud Creek
Location1 MI W of Forest Park
RouteState Highway 331
StateGeorgia
Coordinates33.61435, -84.39911
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length64 ft (19.5 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2024)
Projected traffic7,725 by 2032
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR331 Ramp to I-75 over Mud Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is SR331 Ramp to I-75 over Mud 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 June 2023.

How much traffic does SR331 Ramp to I-75 over Mud Creek carry?

About 5,700 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR331 Ramp to I-75 over Mud Creek?

The structure is 64 ft (19.5 m) long with a longest span of 20 ft (6.1 m).

Who owns SR331 Ramp to I-75 over Mud Creek?

It is owned by the State Highway Agency.