US Bridges

Henderson Mill Rd. over Alcovy River

FairPosted for load

Newton County, Georgia · 6 MI S of Covington · Structure no. 000000021700560

Built
1965
60 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
234 ft
4 main spans
Daily traffic
4,320
2024 count
Owner
County
County Highway Agency

About this bridge

Henderson Mill Rd. over Alcovy River is a steel continuous stringer/multi-beam or girder carrying Henderson Mill Rd. over Alcovy River in Newton 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 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. Its operating status is: posted for load restriction.

It carries about 4,320 vehicles a day, roughly 1% of them trucks, projected to reach 4,260 by 2031. The structure is 234 ft (71.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHenderson Mill Rd.
CrossesAlcovy River
Location6 MI S of Covington
RouteCounty Highway 2137
StateGeorgia
Coordinates33.50718, -83.82443
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.9 US tons
Inventory rating22.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length234 ft (71.3 m)
Longest span65 ft (19.8 m)
Deck width30 ft (9.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,320 (2024)
Projected traffic4,260 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Henderson Mill Rd. over Alcovy River built?

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

What condition is Henderson Mill Rd. over Alcovy 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 December 2024.

How much traffic does Henderson Mill Rd. over Alcovy River carry?

About 4,320 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Henderson Mill Rd. over Alcovy River?

The structure is 234 ft (71.3 m) long with a longest span of 65 ft (19.8 m) and a deck 30 ft wide.

Who owns Henderson Mill Rd. over Alcovy River?

It is owned by the County Highway Agency.