US Bridges

US421S over Southern Railway

Good

Chatham County, North Carolina · 0.2 Mi. S. Jct. SR2195 · Structure no. 000000000370507

Built
2008
17 years old
Condition
Good
inspected March 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
216 ft
3 main spans
Daily traffic
7,250
2019 count
Owner
State
State Highway Agency

About this bridge

US421S over Southern Railway is a steel stringer/multi-beam or girder carrying US421S over Southern Railway in Chatham County, North Carolina. It was built in 2008, so it is 17 years old, younger than the North Carolina average of 38.7 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 7,250 vehicles a day, roughly 14% of them trucks, projected to reach 14,500 by 2040. The structure is 216 ft (65.8 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS421S
CrossesSouthern Railway
Location0.2 Mi. S. Jct. SR2195
RouteU.S. Route 421
CountyChatham County
StateNorth Carolina
Coordinates35.56568, -79.29856
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length216 ft (65.8 m)
Longest span102 ft (31 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,250 (2019)
Projected traffic14,500 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US421S over Southern Railway built?

It was built in 2008, making it 17 years old in 2025.

What condition is US421S over Southern Railway 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 2022.

How much traffic does US421S over Southern Railway carry?

About 7,250 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is US421S over Southern Railway?

The structure is 216 ft (65.8 m) long with a longest span of 102 ft (31 m) and a deck 38 ft wide.

Who owns US421S over Southern Railway?

It is owned by the State Highway Agency.