US Bridges

US17 US421 over S.C.L.Railroad

Fair

New Hanover County, North Carolina · 0.5 MI N. of JCT Nc 133 · Structure no. 000000001290018

Built
1980
45 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
210 ft
4 main spans
Daily traffic
25,000
2015 count
Owner
State
State Highway Agency

About this bridge

US17 US421 over S.C.L.Railroad is a prestressed concrete stringer/multi-beam or girder carrying US17 US421 over S.C.L.Railroad in New Hanover County, North Carolina. It was built in 1980, so it is 45 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 25,000 vehicles a day, roughly 12% of them trucks, projected to reach 50,000 by 2040. The structure is 210 ft (64 m) long and 87 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesUS17 US421
CrossesS.C.L.Railroad
Location0.5 MI N. of JCT Nc 133
RouteU.S. Route 17
CountyNew Hanover County
StateNorth Carolina
Coordinates34.25957, -77.95713
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length210 ft (64 m)
Longest span55 ft (16.7 m)
Deck width87 ft (26.4 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,000 (2015)
Projected traffic50,000 by 2040
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed16.8 mi (27 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 US17 US421 over S.C.L.Railroad built?

It was built in 1980, making it 45 years old in 2025.

What condition is US17 US421 over S.C.L.Railroad 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 January 2025.

How much traffic does US17 US421 over S.C.L.Railroad carry?

About 25,000 vehicles per day (2015 count), of which roughly 12% are trucks.

How long is US17 US421 over S.C.L.Railroad?

The structure is 210 ft (64 m) long with a longest span of 55 ft (16.7 m) and a deck 87 ft wide.

Who owns US17 US421 over S.C.L.Railroad?

It is owned by the State Highway Agency.