US Bridges

SR1518 over Mill Creek

Good

Brunswick County, North Carolina · .5 MI.E.JCT.NC87 · Structure no. 000000000190038

Built
1997
28 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
97 ft
3 main spans
Daily traffic
1,300
2016 count
Owner
State
State Highway Agency

About this bridge

SR1518 over Mill Creek is a prestressed concrete slab carrying SR1518 over Mill Creek in Brunswick County, North Carolina. It was built in 1997, so it is 28 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,300 vehicles a day, roughly 6% of them trucks, projected to reach 2,600 by 2040. The structure is 97 ft (29.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1518
CrossesMill Creek
Location.5 MI.E.JCT.NC87
RouteState Highway 1518
Coordinates34.102, -78.07759
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating60 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length97 ft (29.5 m)
Longest span34 ft (10.3 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2016)
Projected traffic2,600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1518 over Mill Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR1518 over Mill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does SR1518 over Mill Creek carry?

About 1,300 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1518 over Mill Creek?

The structure is 97 ft (29.5 m) long with a longest span of 34 ft (10.3 m) and a deck 30 ft wide.

Who owns SR1518 over Mill Creek?

It is owned by the State Highway Agency.