US Bridges

Armstrong Mill RD over Centralhatchee Creek

Good

Heard County, Georgia · 1.5 MI NW Centralhatchee · Structure no. 000000014950070

Built
1980
45 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
250 ft
7 main spans
Daily traffic
350
2024 count
Owner
County
County Highway Agency

About this bridge

Armstrong Mill RD over Centralhatchee Creek is a prestressed concrete box beam or girders - multiple carrying Armstrong Mill RD over Centralhatchee Creek in Heard County, Georgia. It was built in 1980, so it is 45 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 350 vehicles a day, roughly 1% of them trucks, projected to reach 900 by 2031. The structure is 250 ft (76.2 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesArmstrong Mill RD
CrossesCentralhatchee Creek
Location1.5 MI NW Centralhatchee
RouteCounty Highway 38
StateGeorgia
Coordinates33.37854, -85.13123
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans7
Design loadHS 15
Structure length250 ft (76.2 m)
Longest span40 ft (12.2 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2024)
Projected traffic900 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$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Armstrong Mill RD over Centralhatchee Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Armstrong Mill RD over Centralhatchee Creek 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 June 2024.

How much traffic does Armstrong Mill RD over Centralhatchee Creek carry?

About 350 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Armstrong Mill RD over Centralhatchee Creek?

The structure is 250 ft (76.2 m) long with a longest span of 40 ft (12.2 m) and a deck 34 ft wide.

Who owns Armstrong Mill RD over Centralhatchee Creek?

It is owned by the County Highway Agency.