US Bridges

I-140W US17S over CSX Sea. Coast RR

Good

New Hanover County, North Carolina · 0.2 Mi. S. Jct. US421 · Structure no. 000000001290196

Built
2017
8 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
6,750
2020 count
Owner
State
State Highway Agency

About this bridge

I-140W US17S over CSX Sea. Coast RR is a prestressed concrete stringer/multi-beam or girder carrying I-140W US17S over CSX Sea. Coast RR in New Hanover County, North Carolina. It was built in 2017, so it is 8 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 6,750 vehicles a day, roughly 16% of them trucks, projected to reach 13,500 by 2040. The structure is 94 ft (28.6 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-140W US17S
CrossesCSX Sea. Coast RR
Location0.2 Mi. S. Jct. US421
RouteInterstate 140
CountyNew Hanover County
StateNorth Carolina
Coordinates34.28701, -77.97075
Functional classUrban Principal Arterial - Interstate

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.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating51.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length94 ft (28.6 m)
Longest span90 ft (27.4 m)
Deck width45 ft (13.7 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,750 (2020)
Projected traffic13,500 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-140W US17S over CSX Sea. Coast RR built?

It was built in 2017, making it 8 years old in 2025.

What condition is I-140W US17S over CSX Sea. Coast RR 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 November 2023.

How much traffic does I-140W US17S over CSX Sea. Coast RR carry?

About 6,750 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I-140W US17S over CSX Sea. Coast RR?

The structure is 94 ft (28.6 m) long with a longest span of 90 ft (27.4 m) and a deck 45 ft wide.

Who owns I-140W US17S over CSX Sea. Coast RR?

It is owned by the State Highway Agency.