US Bridges

SR1629 over Mill Run

Good

Wilson County, North Carolina · 0.2 Mi. W. Jct. SR1633 · Structure no. 000000001950019

Built
2006
19 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
82 ft
2 main spans
Daily traffic
570
2016 count
Owner
State
State Highway Agency

About this bridge

SR1629 over Mill Run is a prestressed concrete slab carrying SR1629 over Mill Run in Wilson County, North Carolina. It was built in 2006, so it is 19 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 570 vehicles a day, roughly 6% of them trucks, projected to reach 1,140 by 2040. The structure is 82 ft (24.9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1629
CrossesMill Run
Location0.2 Mi. W. Jct. SR1633
RouteState Highway 1629
Coordinates35.59383, -77.90943
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 protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 rating81.9 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length82 ft (24.9 m)
Longest span49 ft (14.9 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2016)
Projected traffic1,140 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 SR1629 over Mill Run built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR1629 over Mill Run 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 August 2023.

How much traffic does SR1629 over Mill Run carry?

About 570 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1629 over Mill Run?

The structure is 82 ft (24.9 m) long with a longest span of 49 ft (14.9 m) and a deck 30 ft wide.

Who owns SR1629 over Mill Run?

It is owned by the State Highway Agency.