US Bridges

Harrison Bridge Ro over Middle Fork Broad River

Fair

Franklin County, Georgia · 3.7 MI S of Carnesville · Structure no. 000000011950320

Built
1961
64 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
189 ft
3 main spans
Daily traffic
610
2024 count
Owner
County
County Highway Agency

About this bridge

Harrison Bridge Ro over Middle Fork Broad River is a steel stringer/multi-beam or girder carrying Harrison Bridge Ro over Middle Fork Broad River in Franklin County, Georgia. It was built in 1961, so it is 64 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 610 vehicles a day, roughly 1% of them trucks, projected to reach 840 by 2031. The structure is 189 ft (57.6 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesHarrison Bridge Ro
CrossesMiddle Fork Broad River
Location3.7 MI S of Carnesville
RouteCounty Highway 158
CountyFranklin County
StateGeorgia
Coordinates34.32991, -83.23252
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating26.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length189 ft (57.6 m)
Longest span63 ft (19.2 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2024)
Projected traffic840 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Harrison Bridge Ro over Middle Fork Broad River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Harrison Bridge Ro over Middle Fork Broad River 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 September 2024.

How much traffic does Harrison Bridge Ro over Middle Fork Broad River carry?

About 610 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Harrison Bridge Ro over Middle Fork Broad River?

The structure is 189 ft (57.6 m) long with a longest span of 63 ft (19.2 m) and a deck 30 ft wide.

Who owns Harrison Bridge Ro over Middle Fork Broad River?

It is owned by the County Highway Agency.