US Bridges

SR1743 over Withrow Creek

Good

Rowan County, North Carolina · 0.5 Mi. S. Jct. SR1749 · Structure no. 000000001590058

Built
1999
26 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
106 ft
3 main spans
Daily traffic
1,800
2021 count
Owner
State
State Highway Agency

About this bridge

SR1743 over Withrow Creek is a prestressed concrete slab carrying SR1743 over Withrow Creek in Rowan County, North Carolina. It was built in 1999, so it is 26 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 1,800 vehicles a day, roughly 6% of them trucks, projected to reach 2,600 by 2040. The structure is 106 ft (32.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1743
CrossesWithrow Creek
Location0.5 Mi. S. Jct. SR1749
RouteState Highway 1743
Coordinates35.69518, -80.6796
Functional classRural Minor Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 rating77.9 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length106 ft (32.3 m)
Longest span38 ft (11.5 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2021)
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 SR1743 over Withrow Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR1743 over Withrow 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 July 2023.

How much traffic does SR1743 over Withrow Creek carry?

About 1,800 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1743 over Withrow Creek?

The structure is 106 ft (32.3 m) long with a longest span of 38 ft (11.5 m) and a deck 33 ft wide.

Who owns SR1743 over Withrow Creek?

It is owned by the State Highway Agency.