US Bridges

Dillingham Street over Chattahoochee River

Fair

Muscogee County, Georgia · Ga-Ala ST Ln-W Columbus · Structure no. 000000021501270

Built
1910
115 years old
Condition
Fair
inspected August 2024
Type
Arch - Deck
Concrete
Length
700 ft
5 main spans
Daily traffic
4,010
2024 count
Owner
County
County Highway Agency

About this bridge

Dillingham Street over Chattahoochee River is a concrete arch - deck carrying Dillingham Street over Chattahoochee River in Muscogee County, Georgia. It was built in 1910, so it is 115 years old, older 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 4,010 vehicles a day, roughly 4% of them trucks, projected to reach 6,255 by 2031. The structure is 700 ft (213.4 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDillingham Street
CrossesChattahoochee River
LocationGa-Ala ST Ln-W Columbus
RouteCity Street 8069
StateGeorgia
Coordinates32.46349, -84.99778
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.9 US tons
Inventory rating23.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length700 ft (213.4 m)
Longest span140 ft (42.7 m)
Deck width47 ft (14.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,010 (2024)
Projected traffic6,255 by 2031
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Dillingham Street over Chattahoochee River built?

It was built in 1910, making it 115 years old in 2025.

What condition is Dillingham Street over Chattahoochee 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 August 2024.

How much traffic does Dillingham Street over Chattahoochee River carry?

About 4,010 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Dillingham Street over Chattahoochee River?

The structure is 700 ft (213.4 m) long with a longest span of 140 ft (42.7 m) and a deck 47 ft wide.

Who owns Dillingham Street over Chattahoochee River?

It is owned by the County Highway Agency.