US Bridges

SR 74 over Rocky Creek

Good

Bibb County, Georgia · 2 MI W JCT SR 41 W Macon · Structure no. 000000002100410

Built
1980
45 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
174 ft
2 main spans
Daily traffic
27,500
2024 count
Owner
State
State Highway Agency

About this bridge

SR 74 over Rocky Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 74 over Rocky Creek in Bibb County, Georgia. It was built in 1980, so it is 45 years old, younger than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 27,500 vehicles a day, roughly 1% of them trucks, projected to reach 51,405 by 2031. The structure is 174 ft (53 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 74
CrossesRocky Creek
Location2 MI W JCT SR 41 W Macon
RouteState Highway 74
StateGeorgia
Coordinates32.8205, -83.69267
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating37.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length174 ft (53 m)
Longest span87 ft (26.5 m)
Deck width78 ft (23.8 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,500 (2024)
Projected traffic51,405 by 2031
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$1.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 74 over Rocky Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR 74 over Rocky Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does SR 74 over Rocky Creek carry?

About 27,500 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 74 over Rocky Creek?

The structure is 174 ft (53 m) long with a longest span of 87 ft (26.5 m) and a deck 78 ft wide.

Who owns SR 74 over Rocky Creek?

It is owned by the State Highway Agency.