US Bridges

SR1718 over Old Mill Creek

Fair

Beaufort County, North Carolina · 0.25 MI E JCT SR1732 · Structure no. 000000000130131

Built
1978
47 years old
Condition
Fair
inspected June 2024
Type
Slab
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
550
2015 count
Owner
State
State Highway Agency

About this bridge

SR1718 over Old Mill Creek is a prestressed concrete slab carrying SR1718 over Old Mill Creek in Beaufort 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 550 vehicles a day, roughly 6% of them trucks, projected to reach 1,100 by 2040. The structure is 46 ft (14 m) long and 30 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1718
CrossesOld Mill Creek
Location0.25 MI E JCT SR1732
RouteState Highway 1718
Coordinates35.49143, -76.72103
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2015)
Projected traffic1,100 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR1718 over Old Mill Creek built?

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

What condition is SR1718 over Old Mill 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 June 2024.

How much traffic does SR1718 over Old Mill Creek carry?

About 550 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1718 over Old Mill Creek?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 30 ft wide.

Who owns SR1718 over Old Mill Creek?

It is owned by the State Highway Agency.