US Bridges

US 41 (nbl) / SR 3 over CSX Railroad (340404H)

Fair

Cobb County, Georgia · In South Kennesaw · Structure no. 000000006700070

Built
1949
76 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
125 ft
3 main spans
Daily traffic
42,500
2024 count
Owner
State
State Highway Agency

About this bridge

US 41 (nbl) / SR 3 over CSX Railroad (340404H) is a steel stringer/multi-beam or girder carrying US 41 (nbl) / SR 3 over CSX Railroad (340404H) in Cobb County, Georgia. It was built in 1949, so it is 76 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 42,500 vehicles a day, roughly 1% of them trucks, projected to reach 53,655 by 2032. The structure is 125 ft (38.1 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 41 (nbl) / SR 3
CrossesCSX Railroad (340404H)
LocationIn South Kennesaw
RouteU.S. Route 41
CountyCobb County
StateGeorgia
Coordinates34.01332, -84.61277
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.9 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span45 ft (13.7 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,500 (2024)
Projected traffic53,655 by 2032
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$733,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 41 (nbl) / SR 3 over CSX Railroad (340404H) built?

It was built in 1949, making it 76 years old in 2025.

What condition is US 41 (nbl) / SR 3 over CSX Railroad (340404H) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does US 41 (nbl) / SR 3 over CSX Railroad (340404H) carry?

About 42,500 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 41 (nbl) / SR 3 over CSX Railroad (340404H)?

The structure is 125 ft (38.1 m) long with a longest span of 45 ft (13.7 m) and a deck 34 ft wide.

Who owns US 41 (nbl) / SR 3 over CSX Railroad (340404H)?

It is owned by the State Highway Agency.