US Bridges

Martin Branch Road over Chattahoochee River

Poor

White County, Georgia · 3 Miles NW of Helen Ga · Structure no. 080306000003066

Built
1994
31 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete
Length
100 ft
3 main spans
Daily traffic
25
1991 count
Owner
Federal
U.S. Forest Service

About this bridge

Martin Branch Road over Chattahoochee River is a concrete slab carrying Martin Branch Road over Chattahoochee River in White County, Georgia. It was built in 1994, so it is 31 years old, younger than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 25 vehicles a day, projected to reach 37 by 2045. The structure is 100 ft (30.5 m) long and 16 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesMartin Branch Road
CrossesChattahoochee River
Location3 Miles NW of Helen Ga
RouteFederal Lands Road 178.1
CountyWhite County
StateGeorgia
Coordinates34.73583, -83.78222
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span36 ft (11 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (1991)
Projected traffic37 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Martin Branch Road over Chattahoochee River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Martin Branch Road over Chattahoochee River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Martin Branch Road over Chattahoochee River carry?

About 25 vehicles per day (1991 count).

How long is Martin Branch Road over Chattahoochee River?

The structure is 100 ft (30.5 m) long with a longest span of 36 ft (11 m) and a deck 16 ft wide.

Who owns Martin Branch Road over Chattahoochee River?

It is owned by the U.S. Forest Service.