US Bridges

Tullymore Drive over Unknown Creek

Good

Rowan County, North Carolina · .14MI.S.JCT.IRISH Crk.Dr. · Structure no. 000000001590459

Built
2008
17 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
36 ft
1 main span
Daily traffic
150
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tullymore Drive over Unknown Creek is a concrete culvert carrying Tullymore Drive over Unknown Creek in Rowan County, North Carolina. It was built in 2008, so it is 17 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 150 vehicles a day, roughly 6% of them trucks, projected to reach 300 by 2040. The structure is 36 ft (10.9 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesTullymore Drive
CrossesUnknown Creek
Location.14MI.S.JCT.IRISH Crk.Dr.
RouteCity Street 0
Coordinates35.53275, -80.63052
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length36 ft (10.9 m)
Longest span36 ft (10.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2008)
Projected traffic300 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Tullymore Drive over Unknown Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Tullymore Drive over Unknown 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 Tullymore Drive over Unknown Creek carry?

About 150 vehicles per day (2008 count), of which roughly 6% are trucks.

How long is Tullymore Drive over Unknown Creek?

The structure is 36 ft (10.9 m) long with a longest span of 36 ft (10.9 m).

Who owns Tullymore Drive over Unknown Creek?

It is owned by the City or Municipal Highway Agency.