US Bridges

SR 158 over 17 Mile River

Good

Coffee County, Georgia · App 3.5 MI E of Douglas · Structure no. 000000006950640

Built
2014
11 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
850 ft
17 main spans
Daily traffic
5,740
2024 count
Owner
State
State Highway Agency

About this bridge

SR 158 over 17 Mile River is a prestressed concrete stringer/multi-beam or girder carrying SR 158 over 17 Mile River in Coffee County, Georgia. It was built in 2014, so it is 11 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 5,740 vehicles a day, roughly 5% of them trucks, projected to reach 3,650 by 2033. The structure is 850 ft (259.1 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSR 158
Crosses17 Mile River
LocationApp 3.5 MI E of Douglas
RouteState Highway 158
StateGeorgia
Coordinates31.46894, -82.7673
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating40.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans17
Design loadHS 20 + Mod
Structure length850 ft (259.1 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,740 (2024)
Projected traffic3,650 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$113.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 158 over 17 Mile River built?

It was built in 2014, making it 11 years old in 2025.

What condition is SR 158 over 17 Mile River 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 September 2023.

How much traffic does SR 158 over 17 Mile River carry?

About 5,740 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 158 over 17 Mile River?

The structure is 850 ft (259.1 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns SR 158 over 17 Mile River?

It is owned by the State Highway Agency.