US Bridges

SR 15- SR 78 over I 16 (sr 404)

Good

Treutlen County, Georgia · 3 MI N of Soperton · Structure no. 000000028300010

Built
1974
51 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
2 main spans
Daily traffic
1,770
2024 count
Owner
State
State Highway Agency

About this bridge

SR 15- SR 78 over I 16 (sr 404) is a steel continuous stringer/multi-beam or girder carrying SR 15- SR 78 over I 16 (sr 404) in Treutlen County, Georgia. It was built in 1974, so it is 51 years old, older 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 1,770 vehicles a day, roughly 1% of them trucks, projected to reach 1,800 by 2032. The structure is 260 ft (79.2 m) long and 51 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSR 15- SR 78
CrossesI 16 (sr 404)
Location3 MI N of Soperton
RouteState Highway 15
StateGeorgia
Coordinates32.43427, -82.60762
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length260 ft (79.2 m)
Longest span105 ft (32 m)
Deck width51 ft (15.6 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,770 (2024)
Projected traffic1,800 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 15- SR 78 over I 16 (sr 404) built?

It was built in 1974, making it 51 years old in 2025.

What condition is SR 15- SR 78 over I 16 (sr 404) 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 July 2023.

How much traffic does SR 15- SR 78 over I 16 (sr 404) carry?

About 1,770 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 15- SR 78 over I 16 (sr 404)?

The structure is 260 ft (79.2 m) long with a longest span of 105 ft (32 m) and a deck 51 ft wide.

Who owns SR 15- SR 78 over I 16 (sr 404)?

It is owned by the State Highway Agency.