US Bridges

I-85 (sr 403) over Mulberry River

Good

Barrow County, Georgia · 8.6 MI NW of Winder · Structure no. 000000001350600

Built
2019
6 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
198 ft
2 main spans
Daily traffic
64,100
2024 count
Owner
State
State Highway Agency

About this bridge

I-85 (sr 403) over Mulberry River is a concrete stringer/multi-beam or girder carrying I-85 (sr 403) over Mulberry River in Barrow County, Georgia. It was built in 2019, so it is 6 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 64,100 vehicles a day, roughly 10% of them trucks, projected to reach 129,500 by 2039. The structure is 198 ft (60.4 m) long and 126 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-85 (sr 403)
CrossesMulberry River
Location8.6 MI NW of Winder
RouteInterstate 85
CountyBarrow County
StateGeorgia
Coordinates34.10103, -83.79338
Functional classRural Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating36.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length198 ft (60.4 m)
Longest span162 ft (49.4 m)
Deck width126 ft (38.3 m)
Roadway width122 ft (37.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,100 (2024)
Projected traffic129,500 by 2039
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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$26.4 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-85 (sr 403) over Mulberry River built?

It was built in 2019, making it 6 years old in 2025.

What condition is I-85 (sr 403) over Mulberry River 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 April 2023.

How much traffic does I-85 (sr 403) over Mulberry River carry?

About 64,100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is I-85 (sr 403) over Mulberry River?

The structure is 198 ft (60.4 m) long with a longest span of 162 ft (49.4 m) and a deck 126 ft wide.

Who owns I-85 (sr 403) over Mulberry River?

It is owned by the State Highway Agency.