US Bridges

US 78 SR 10 SR 1 over Sills Branch

Good

McDuffie County, Georgia · 0.6 MI NE of Thomson · Structure no. 000000018950240

Built
2010
15 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
106 ft
1 main span
Daily traffic
5,670
2024 count
Owner
State
State Highway Agency

About this bridge

US 78 SR 10 SR 1 over Sills Branch is a prestressed concrete stringer/multi-beam or girder carrying US 78 SR 10 SR 1 over Sills Branch in McDuffie County, Georgia. It was built in 2010, so it is 15 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 5,670 vehicles a day, roughly 1% of them trucks, projected to reach 6,225 by 2031. The structure is 106 ft (32.3 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 78 SR 10 SR 1
CrossesSills Branch
Location0.6 MI NE of Thomson
RouteState Highway 10
CountyMcDuffie County
StateGeorgia
Coordinates33.48373, -82.48408
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating84 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length106 ft (32.3 m)
Longest span106 ft (32.3 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,670 (2024)
Projected traffic6,225 by 2031
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$621,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 78 SR 10 SR 1 over Sills Branch built?

It was built in 2010, making it 15 years old in 2025.

What condition is US 78 SR 10 SR 1 over Sills Branch 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 January 2025.

How much traffic does US 78 SR 10 SR 1 over Sills Branch carry?

About 5,670 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 78 SR 10 SR 1 over Sills Branch?

The structure is 106 ft (32.3 m) long with a longest span of 106 ft (32.3 m) and a deck 41 ft wide.

Who owns US 78 SR 10 SR 1 over Sills Branch?

It is owned by the State Highway Agency.