US Bridges

SR3585 over Seaboard Coastline RR

Fair

Mecklenburg County, North Carolina · 0.2 Mi. S. Jct. SR3300 · Structure no. 000000001190266

Built
1978
47 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
167 ft
3 main spans
Daily traffic
27,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR3585 over Seaboard Coastline RR is a steel stringer/multi-beam or girder carrying SR3585 over Seaboard Coastline RR in Mecklenburg County, North Carolina. It was built in 1978, so it is 47 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 5 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 27,000 vehicles a day, roughly 6% of them trucks, projected to reach 54,000 by 2040. The structure is 167 ft (50.9 m) long and 64 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR3585
CrossesSeaboard Coastline RR
Location0.2 Mi. S. Jct. SR3300
RouteState Highway 3585
Coordinates35.1954, -80.79308
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating50.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length167 ft (50.9 m)
Longest span76 ft (23.1 m)
Deck width64 ft (19.6 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,000 (2022)
Projected traffic54,000 by 2040
Trucks6%
Lanes on structure4
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 SR3585 over Seaboard Coastline RR built?

It was built in 1978, making it 47 years old in 2025.

What condition is SR3585 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 December 2023.

How much traffic does SR3585 over Seaboard Coastline RR carry?

About 27,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR3585 over Seaboard Coastline RR?

The structure is 167 ft (50.9 m) long with a longest span of 76 ft (23.1 m) and a deck 64 ft wide.

Who owns SR3585 over Seaboard Coastline RR?

It is owned by the State Highway Agency.