US Bridges

Thunder Road over Ut to Rocky River

Fair

Cabarrus County, North Carolina · .2MI.N.JCT.SR2894 · Structure no. 000000000250387

Built
2008
17 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
37 ft
4 main spans
Daily traffic
20,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Thunder Road over Ut to Rocky River is a concrete continuous culvert carrying Thunder Road over Ut to Rocky River in Cabarrus 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20,500 vehicles a day, roughly 7% of them trucks, projected to reach 41,000 by 2040. The structure is 37 ft (11.2 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesThunder Road
CrossesUt to Rocky River
Location.2MI.N.JCT.SR2894
RouteCity Street 0
Coordinates35.3757, -80.72249
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length37 ft (11.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2022)
Projected traffic41,000 by 2040
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
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 Thunder Road over Ut to Rocky River built?

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

What condition is Thunder Road over Ut to Rocky River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Thunder Road over Ut to Rocky River carry?

About 20,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Thunder Road over Ut to Rocky River?

The structure is 37 ft (11.2 m) long with a longest span of 8 ft (2.4 m).

Who owns Thunder Road over Ut to Rocky River?

It is owned by the City or Municipal Highway Agency.