US Bridges

NC343 over Mill Dam Creek

Fair

Camden County, North Carolina · 0.1 MI N JCT SR1129 · Structure no. 000000000290018

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
4,700
2022 count
Owner
State
State Highway Agency

About this bridge

NC343 over Mill Dam Creek is a prestressed concrete slab carrying NC343 over Mill Dam Creek in Camden 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 4,700 vehicles a day, roughly 7% of them trucks, projected to reach 9,400 by 2040. The structure is 47 ft (14.3 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC343
CrossesMill Dam Creek
Location0.1 MI N JCT SR1129
RouteState Highway 343
Coordinates36.30992, -76.13089
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating50.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length47 ft (14.3 m)
Longest span44 ft (13.4 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2022)
Projected traffic9,400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC343 over Mill Dam Creek built?

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

What condition is NC343 over Mill Dam Creek 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 October 2024.

How much traffic does NC343 over Mill Dam Creek carry?

About 4,700 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is NC343 over Mill Dam Creek?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.4 m) and a deck 44 ft wide.

Who owns NC343 over Mill Dam Creek?

It is owned by the State Highway Agency.