US Bridges

SR1647 over Mill Creek

Good

Stokes County, North Carolina · 0.2M. E. Jct. SR1649 · Structure no. 000000001690224

Built
2019
6 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
140
2017 count
Owner
State
State Highway Agency

About this bridge

SR1647 over Mill Creek is a prestressed concrete slab carrying SR1647 over Mill Creek in Stokes County, North Carolina. It was built in 2019, so it is 6 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 140 vehicles a day, roughly 6% of them trucks, projected to reach 280 by 2040. The structure is 60 ft (18.2 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1647
CrossesMill Creek
Location0.2M. E. Jct. SR1649
RouteState Highway 1647
Coordinates36.46175, -80.14427
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
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 rating74 US tons
Inventory rating57 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.2 m)
Longest span56 ft (17 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2017)
Projected traffic280 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR1647 over Mill Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR1647 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 June 2023.

How much traffic does SR1647 over Mill Creek carry?

About 140 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is SR1647 over Mill Creek?

The structure is 60 ft (18.2 m) long with a longest span of 56 ft (17 m) and a deck 30 ft wide.

Who owns SR1647 over Mill Creek?

It is owned by the State Highway Agency.