US Bridges

Colaparchee RD over I-475 (sr 408) @ 10.67N

GoodPosted for load

Bibb County, Georgia · 5 MI W of Macon Cty Limit · Structure no. 000000002100370

Built
1965
60 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
255 ft
4 main spans
Daily traffic
1,930
2024 count
Owner
State
State Highway Agency

About this bridge

Colaparchee RD over I-475 (sr 408) @ 10.67N is a steel continuous stringer/multi-beam or girder carrying Colaparchee RD over I-475 (sr 408) @ 10.67N in Bibb County, Georgia. It was built in 1965, so it is 60 years old, older 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. Its operating status is: posted for load restriction.

It carries about 1,930 vehicles a day, roughly 1% of them trucks, projected to reach 1,965 by 2032. The structure is 255 ft (77.7 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesColaparchee RD
CrossesI-475 (sr 408) @ 10.67N
Location5 MI W of Macon Cty Limit
RouteCounty Highway 64
StateGeorgia
Coordinates32.89986, -83.78591
Functional classUrban Local

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.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.9 US tons
Inventory rating21.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length255 ft (77.7 m)
Longest span75 ft (22.9 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,930 (2024)
Projected traffic1,965 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Colaparchee RD over I-475 (sr 408) @ 10.67N built?

It was built in 1965, making it 60 years old in 2025.

What condition is Colaparchee RD over I-475 (sr 408) @ 10.67N 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 February 2024.

How much traffic does Colaparchee RD over I-475 (sr 408) @ 10.67N carry?

About 1,930 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Colaparchee RD over I-475 (sr 408) @ 10.67N?

The structure is 255 ft (77.7 m) long with a longest span of 75 ft (22.9 m) and a deck 31 ft wide.

Who owns Colaparchee RD over I-475 (sr 408) @ 10.67N?

It is owned by the State Highway Agency.