US Bridges

Marion Road over I-16 (sr 404) at 7.45 E.

FairPosted for load

Bibb County, Georgia · 6 MI E of Macon · Structure no. 000000002101520

Built
1967
58 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
375 ft
4 main spans
Daily traffic
300
2024 count
Owner
State
State Highway Agency

About this bridge

Marion Road over I-16 (sr 404) at 7.45 E. is a steel continuous stringer/multi-beam or girder carrying Marion Road over I-16 (sr 404) at 7.45 E. in Bibb County, Georgia. It was built in 1967, so it is 58 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 735 by 2032. The structure is 375 ft (114.3 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesMarion Road
CrossesI-16 (sr 404) at 7.45 E.
Location6 MI E of Macon
RouteCounty Highway 730
CountyBibb County
StateGeorgia
Coordinates32.77361, -83.55772
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29 US tons
Inventory rating17 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length375 ft (114.3 m)
Longest span122 ft (37.2 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2024)
Projected traffic735 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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$2.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Marion Road over I-16 (sr 404) at 7.45 E. built?

It was built in 1967, making it 58 years old in 2025.

What condition is Marion Road over I-16 (sr 404) at 7.45 E. 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 March 2024.

How much traffic does Marion Road over I-16 (sr 404) at 7.45 E. carry?

About 300 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Marion Road over I-16 (sr 404) at 7.45 E.?

The structure is 375 ft (114.3 m) long with a longest span of 122 ft (37.2 m) and a deck 31 ft wide.

Who owns Marion Road over I-16 (sr 404) at 7.45 E.?

It is owned by the State Highway Agency.