US Bridges

Summer Hill Road over Masse Branch

Good

Thomas County, Georgia · App 3.5 MI NW of Boston · Structure no. 000000027550200

Built
1981
44 years old
Condition
Good
inspected November 2024
Type
Channel Beam
Prestressed Concrete
Length
42 ft
2 main spans
Daily traffic
350
2024 count
Owner
County
County Highway Agency

About this bridge

Summer Hill Road over Masse Branch is a prestressed concrete channel beam carrying Summer Hill Road over Masse Branch in Thomas County, Georgia. It was built in 1981, so it is 44 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 42 ft (12.8 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSummer Hill Road
CrossesMasse Branch
LocationApp 3.5 MI NW of Boston
RouteCounty Highway 29
StateGeorgia
Coordinates30.83371, -83.82355
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25.9 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 15
Structure length42 ft (12.8 m)
Longest span21 ft (6.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 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 closed3.1 mi (5 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$246,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Summer Hill Road over Masse Branch built?

It was built in 1981, making it 44 years old in 2025.

What condition is Summer Hill Road over Masse 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 November 2024.

How much traffic does Summer Hill Road over Masse Branch carry?

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

How long is Summer Hill Road over Masse Branch?

The structure is 42 ft (12.8 m) long with a longest span of 21 ft (6.4 m) and a deck 29 ft wide.

Who owns Summer Hill Road over Masse Branch?

It is owned by the County Highway Agency.