US Bridges

I-95 Sbl over SR 303 - Hillery Slough

Good

Glynn County, Georgia · Int of I-95 and SR 303 · Structure no. 000000012700500

Built
1977
48 years old, rebuilt 2008
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
1,344 ft
5 main spans
Daily traffic
60,600
2024 count
Owner
State
State Highway Agency

About this bridge

I-95 Sbl over SR 303 - Hillery Slough is a steel stringer/multi-beam or girder carrying I-95 Sbl over SR 303 - Hillery Slough in Glynn County, Georgia. It was built in 1977 and reconstructed in 2008, so it is 48 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 60,600 vehicles a day, roughly 1% of them trucks, projected to reach 69,615 by 2031. The structure is 1,344 ft (409.7 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-95 Sbl
CrossesSR 303 - Hillery Slough
LocationInt of I-95 and SR 303
RouteInterstate 95
StateGeorgia
Coordinates31.16663, -81.55402
Functional classUrban Principal Arterial - Interstate

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5 (+12 approach)
Design loadHS 20 + Mod
Structure length1,344 ft (409.7 m)
Longest span157 ft (47.9 m)
Deck width79 ft (24 m)
Roadway width76 ft (23.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,600 (2024)
Projected traffic69,615 by 2031
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 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$10 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-95 Sbl over SR 303 - Hillery Slough built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2008.

What condition is I-95 Sbl over SR 303 - Hillery Slough 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 November 2024.

How much traffic does I-95 Sbl over SR 303 - Hillery Slough carry?

About 60,600 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-95 Sbl over SR 303 - Hillery Slough?

The structure is 1,344 ft (409.7 m) long with a longest span of 157 ft (47.9 m) and a deck 79 ft wide.

Who owns I-95 Sbl over SR 303 - Hillery Slough?

It is owned by the State Highway Agency.