US Bridges

SR1164 over Pamlico Sound

Fair

Dare County, North Carolina · 0.2 Mi. S. Jct. NC64 · Structure no. 000000000550066

Built
2000
25 years old
Condition
Fair
inspected March 2024
Type
Girder and Floorbeam System
Steel
Length
35 ft
1 main span
Daily traffic
50
2004 count
Owner
State
State Highway Agency

About this bridge

SR1164 over Pamlico Sound is a steel girder and floorbeam system carrying SR1164 over Pamlico Sound in Dare County, North Carolina. It was built in 2000, so it is 25 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 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 50 vehicles a day, projected to reach 100 by 2040. The structure is 35 ft (10.6 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR1164
CrossesPamlico Sound
Location0.2 Mi. S. Jct. NC64
RouteState Highway 1164
CountyDare County
StateNorth Carolina
Coordinates35.69856, -75.77042
Functional classRural Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating35.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length35 ft (10.6 m)
Longest span33 ft (10 m)
Deck width16 ft (5 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deck13 ft (3.9 m)

Traffic and service

Average daily traffic50 (2004)
Projected traffic100 by 2040
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1164 over Pamlico Sound built?

It was built in 2000, making it 25 years old in 2025.

What condition is SR1164 over Pamlico Sound 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 March 2024.

How much traffic does SR1164 over Pamlico Sound carry?

About 50 vehicles per day (2004 count).

How long is SR1164 over Pamlico Sound?

The structure is 35 ft (10.6 m) long with a longest span of 33 ft (10 m) and a deck 16 ft wide.

Who owns SR1164 over Pamlico Sound?

It is owned by the State Highway Agency.