US Bridges

Carmalt Street over North Hamby Creek

Good

Davidson County, North Carolina · 0.4 Mi.S.Jct.W.Main St. · Structure no. 000000000570192

Built
1997
28 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
1,620
1990 count
Owner
City
City or Municipal Highway Agency

About this bridge

Carmalt Street over North Hamby Creek is a concrete continuous culvert carrying Carmalt Street over North Hamby Creek in Davidson 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 1,620 vehicles a day, roughly 7% of them trucks, projected to reach 3,240 by 2040. The structure is 37 ft (11.2 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCarmalt Street
CrossesNorth Hamby Creek
Location0.4 Mi.S.Jct.W.Main St.
RouteCity Street 0
Coordinates35.87566, -80.08776
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating36.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.2 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,620 (1990)
Projected traffic3,240 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Carmalt Street over North Hamby Creek built?

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

What condition is Carmalt Street over North Hamby 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 January 2024.

How much traffic does Carmalt Street over North Hamby Creek carry?

About 1,620 vehicles per day (1990 count), of which roughly 7% are trucks.

How long is Carmalt Street over North Hamby Creek?

The structure is 37 ft (11.2 m) long with a longest span of 12 ft (3.6 m).

Who owns Carmalt Street over North Hamby Creek?

It is owned by the City or Municipal Highway Agency.