US Bridges

Col-Nitrogen Road over CSX Railroad (633709S)

Good

Richmond County, Georgia · 13.3 MI NW of Hephzibah · Structure no. 000000024550250

Built
1983
42 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
139 ft
3 main spans
Daily traffic
1,770
2024 count
Owner
County
County Highway Agency

About this bridge

Col-Nitrogen Road over CSX Railroad (633709S) is a prestressed concrete box beam or girders - multiple carrying Col-Nitrogen Road over CSX Railroad (633709S) in Richmond County, Georgia. It was built in 1983, so it is 42 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 1,770 vehicles a day, roughly 1% of them trucks, projected to reach 5,550 by 2032. The structure is 139 ft (42.4 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCol-Nitrogen Road
CrossesCSX Railroad (633709S)
Location13.3 MI NW of Hephzibah
RouteCounty Highway 683
StateGeorgia
Coordinates33.44789, -81.93145
Functional classUrban Local

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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.9 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length139 ft (42.4 m)
Longest span59 ft (18 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,770 (2024)
Projected traffic5,550 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$815,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Col-Nitrogen Road over CSX Railroad (633709S) built?

It was built in 1983, making it 42 years old in 2025.

What condition is Col-Nitrogen Road over CSX Railroad (633709S) 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 December 2023.

How much traffic does Col-Nitrogen Road over CSX Railroad (633709S) carry?

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

How long is Col-Nitrogen Road over CSX Railroad (633709S)?

The structure is 139 ft (42.4 m) long with a longest span of 59 ft (18 m) and a deck 48 ft wide.

Who owns Col-Nitrogen Road over CSX Railroad (633709S)?

It is owned by the County Highway Agency.