US Bridges

SR 21 (sbl) over CSX Railroad

Good

Effingham County, Georgia · 0.75 MI S of Springfield · Structure no. 000000010350350

Built
1997
28 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
186 ft
3 main spans
Daily traffic
5,640
2024 count
Owner
State
State Highway Agency

About this bridge

SR 21 (sbl) over CSX Railroad is a prestressed concrete stringer/multi-beam or girder carrying SR 21 (sbl) over CSX Railroad in Effingham County, Georgia. It was built in 1997, so it is 28 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 5,640 vehicles a day, roughly 1% of them trucks, projected to reach 17,265 by 2031. The structure is 186 ft (56.7 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 21 (sbl)
CrossesCSX Railroad
Location0.75 MI S of Springfield
RouteState Highway 21
CountyEffingham County
StateGeorgia
Coordinates32.35182, -81.30226
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.9 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length186 ft (56.7 m)
Longest span70 ft (21.3 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,640 (2024)
Projected traffic17,265 by 2031
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 proposedNone recorded
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 21 (sbl) over CSX Railroad built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR 21 (sbl) over CSX Railroad 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 March 2024.

How much traffic does SR 21 (sbl) over CSX Railroad carry?

About 5,640 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 21 (sbl) over CSX Railroad?

The structure is 186 ft (56.7 m) long with a longest span of 70 ft (21.3 m) and a deck 41 ft wide.

Who owns SR 21 (sbl) over CSX Railroad?

It is owned by the State Highway Agency.