US Bridges

SR 172 over Broad River

Fair

Madison County, Georgia · 7 MI NE of Comer · Structure no. 000000019500180

Built
1953
72 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
363 ft
4 main spans
Daily traffic
2,970
2024 count
Owner
State
State Highway Agency

About this bridge

SR 172 over Broad River is a steel continuous stringer/multi-beam or girder carrying SR 172 over Broad River in Madison County, Georgia. It was built in 1953, so it is 72 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.

It carries about 2,970 vehicles a day, roughly 1% of them trucks, projected to reach 3,525 by 2032. The structure is 363 ft (110.6 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 172
CrossesBroad River
Location7 MI NE of Comer
RouteState Highway 172
StateGeorgia
Coordinates34.15691, -83.08339
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.9 US tons
Inventory rating23.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length363 ft (110.6 m)
Longest span100 ft (30.5 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,970 (2024)
Projected traffic3,525 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 172 over Broad River built?

It was built in 1953, making it 72 years old in 2025.

What condition is SR 172 over 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 March 2023.

How much traffic does SR 172 over Broad River carry?

About 2,970 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 172 over Broad River?

The structure is 363 ft (110.6 m) long with a longest span of 100 ft (30.5 m) and a deck 30 ft wide.

Who owns SR 172 over Broad River?

It is owned by the State Highway Agency.