US Bridges

US 17 SR 25 over Darien River

PoorPosted for load

McIntosh County, Georgia · In City Limit of Darien · Structure no. 000000019100070

Built
1944
81 years old
Condition
Poor
inspected January 2024
Type
Girder and Floorbeam System
Steel
Length
1,452 ft
4 main spans
Daily traffic
6,970
2024 count
Owner
State
State Highway Agency

About this bridge

US 17 SR 25 over Darien River is a steel girder and floorbeam system carrying US 17 SR 25 over Darien River in McIntosh County, Georgia. It was built in 1944, so it is 81 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 6,970 vehicles a day, roughly 1% of them trucks, projected to reach 9,045 by 2032. The structure is 1,452 ft (442.6 m) long and 57 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 17 SR 25
CrossesDarien River
LocationIn City Limit of Darien
RouteU.S. Route 17
StateGeorgia
Coordinates31.36652, -81.43681
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating32 US tons
Inventory rating19 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4 (+26 approach)
Design loadH 20
Structure length1,452 ft (442.6 m)
Longest span150 ft (45.7 m)
Deck width57 ft (17.3 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,970 (2024)
Projected traffic9,045 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$8.5 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 17 SR 25 over Darien River built?

It was built in 1944, making it 81 years old in 2025.

What condition is US 17 SR 25 over Darien River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does US 17 SR 25 over Darien River carry?

About 6,970 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 17 SR 25 over Darien River?

The structure is 1,452 ft (442.6 m) long with a longest span of 150 ft (45.7 m) and a deck 57 ft wide.

Who owns US 17 SR 25 over Darien River?

It is owned by the State Highway Agency.