US Bridges

SR 21 (sbl) over Mill Pond Creek

Good

Screven County, Georgia · 1.1 Miles N. of Newington · Structure no. 000000025150260

Built
2005
20 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
128 ft
3 main spans
Daily traffic
5,860
2024 count
Owner
State
State Highway Agency

About this bridge

SR 21 (sbl) over Mill Pond Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 21 (sbl) over Mill Pond Creek in Screven County, Georgia. It was built in 2005, so it is 20 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 5,860 vehicles a day, roughly 1% of them trucks, projected to reach 4,860 by 2032. The structure is 128 ft (39 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 21 (sbl)
CrossesMill Pond Creek
Location1.1 Miles N. of Newington
RouteState Highway 21
StateGeorgia
Coordinates32.60458, -81.51477
Functional classRural Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.9 US tons
Inventory rating39.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length128 ft (39 m)
Longest span66 ft (20.1 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,860 (2024)
Projected traffic4,860 by 2032
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$750,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 21 (sbl) over Mill Pond Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is SR 21 (sbl) over Mill Pond 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 November 2023.

How much traffic does SR 21 (sbl) over Mill Pond Creek carry?

About 5,860 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 21 (sbl) over Mill Pond Creek?

The structure is 128 ft (39 m) long with a longest span of 66 ft (20.1 m) and a deck 41 ft wide.

Who owns SR 21 (sbl) over Mill Pond Creek?

It is owned by the State Highway Agency.