US Bridges

I-75 SB R to I-285 over Mud Creek

Fair

Clayton County, Georgia · 0.4 MI N of JCT SR 85 · Structure no. 000000006300510

Built
1959
66 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
9,590
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 SB R to I-285 over Mud Creek is a concrete culvert carrying I-75 SB R to I-285 over Mud Creek in Clayton County, Georgia. It was built in 1959, so it is 66 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 9,590 vehicles a day, roughly 1% of them trucks, projected to reach 117,405 by 2032. The structure is 33 ft (10.1 m) long.

CarriesI-75 SB R to I-285
CrossesMud Creek
Location0.4 MI N of JCT SR 85
RouteInterstate 75
StateGeorgia
Coordinates33.63117, -84.40255
Functional classUrban Principal Arterial - Interstate

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal 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 spans2
Design loadHS 20 + Mod
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,590 (2024)
Projected traffic117,405 by 2032
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-75 SB R to I-285 over Mud Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is I-75 SB R to I-285 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 May 2023.

How much traffic does I-75 SB R to I-285 over Mud Creek carry?

About 9,590 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-75 SB R to I-285 over Mud Creek?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m).

Who owns I-75 SB R to I-285 over Mud Creek?

It is owned by the State Highway Agency.