US Bridges

NC690 over Seaboard Coastline RR

Fair

Moore County, North Carolina · 0.1 Mi. E. Jct. US1 Bus. · Structure no. 000000001250009

Built
1955
70 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
3 main spans
Daily traffic
5,800
2021 count
Owner
State
State Highway Agency

About this bridge

NC690 over Seaboard Coastline RR is a steel stringer/multi-beam or girder carrying NC690 over Seaboard Coastline RR in Moore County, North Carolina. It was built in 1955, so it is 70 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 5,800 vehicles a day, roughly 7% of them trucks, projected to reach 11,600 by 2040. The structure is 150 ft (45.7 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesNC690
CrossesSeaboard Coastline RR
Location0.1 Mi. E. Jct. US1 Bus.
RouteState Highway 690
CountyMoore County
StateNorth Carolina
Coordinates35.25653, -79.281
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length150 ft (45.7 m)
Longest span49 ft (14.9 m)
Deck width38 ft (11.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2021)
Projected traffic11,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NC690 over Seaboard Coastline RR built?

It was built in 1955, making it 70 years old in 2025.

What condition is NC690 over Seaboard Coastline RR 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 August 2023.

How much traffic does NC690 over Seaboard Coastline RR carry?

About 5,800 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is NC690 over Seaboard Coastline RR?

The structure is 150 ft (45.7 m) long with a longest span of 49 ft (14.9 m) and a deck 38 ft wide.

Who owns NC690 over Seaboard Coastline RR?

It is owned by the State Highway Agency.