US Bridges

Duncan Bridge RD over Satilla River

Fair

Ware County, Georgia · 8 MI E of Waresboro · Structure no. 000000029950550

Built
1987
38 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
135 ft
9 main spans
Daily traffic
158
2024 count
Owner
County
County Highway Agency

About this bridge

Duncan Bridge RD over Satilla River is a concrete slab carrying Duncan Bridge RD over Satilla River in Ware County, Georgia. It was built in 1987, so it is 38 years old, younger than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 158 vehicles a day, roughly 1% of them trucks, projected to reach 15 by 2032. The structure is 135 ft (41.1 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesDuncan Bridge RD
CrossesSatilla River
Location8 MI E of Waresboro
RouteCounty Highway 175
StateGeorgia
Coordinates31.28588, -82.60489
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans9
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span15 ft (4.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2024)
Projected traffic15 by 2032
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$791,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Duncan Bridge RD over Satilla River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Duncan Bridge RD over Satilla River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Duncan Bridge RD over Satilla River carry?

About 158 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Duncan Bridge RD over Satilla River?

The structure is 135 ft (41.1 m) long with a longest span of 15 ft (4.6 m) and a deck 27 ft wide.

Who owns Duncan Bridge RD over Satilla River?

It is owned by the County Highway Agency.