US Bridges

Sawmill Trail over Mill Branch

Good

Columbia County, Georgia · 2.1 MI NW of Grovetown · Structure no. 000000007350190

Built
2006
19 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
890
2024 count
Owner
County
County Highway Agency

About this bridge

Sawmill Trail over Mill Branch is a concrete culvert carrying Sawmill Trail over Mill Branch in Columbia County, Georgia. It was built in 2006, so it is 19 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 890 vehicles a day, roughly 1% of them trucks, projected to reach 1,245 by 2032. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSawmill Trail
CrossesMill Branch
Location2.1 MI NW of Grovetown
RouteCounty Highway 1776
StateGeorgia
Coordinates33.48084, -82.21089
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic890 (2024)
Projected traffic1,245 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$158,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sawmill Trail over Mill Branch built?

It was built in 2006, making it 19 years old in 2025.

What condition is Sawmill Trail over Mill 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 June 2023.

How much traffic does Sawmill Trail over Mill Branch carry?

About 890 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Sawmill Trail over Mill Branch?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns Sawmill Trail over Mill Branch?

It is owned by the County Highway Agency.