US Bridges

SR404P(SBL)-US17 over 2 M-4079

Good

Chatham County, Georgia · NW Section of Savannah · Structure no. 000000005101670

Built
1991
34 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
1,153 ft
3 main spans
Daily traffic
8,310
2024 count
Owner
State
State Highway Agency

About this bridge

SR404P(SBL)-US17 over 2 M-4079 is a prestressed concrete continuous box beam or girders - single or spread carrying SR404P(SBL)-US17 over 2 M-4079 in Chatham County, Georgia. It was built in 1991, so it is 34 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 8,310 vehicles a day, roughly 1% of them trucks, projected to reach 13,590 by 2031. The structure is 1,153 ft (351.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR404P(SBL)-US17
Crosses2 M-4079
LocationNW Section of Savannah
RouteInterstate 16
StateGeorgia
Coordinates32.07241, -81.10498
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating20.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+7 approach)
Design loadHS 20 + Mod
Structure length1,153 ft (351.4 m)
Longest span193 ft (58.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,310 (2024)
Projected traffic13,590 by 2031
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$6.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR404P(SBL)-US17 over 2 M-4079 built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR404P(SBL)-US17 over 2 M-4079 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 May 2024.

How much traffic does SR404P(SBL)-US17 over 2 M-4079 carry?

About 8,310 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR404P(SBL)-US17 over 2 M-4079?

The structure is 1,153 ft (351.4 m) long with a longest span of 193 ft (58.8 m) and a deck 43 ft wide.

Who owns SR404P(SBL)-US17 over 2 M-4079?

It is owned by the State Highway Agency.