US Bridges

NC197 over Big Rock Creek

Good

Mitchell County, North Carolina · 0.01 MI.S.JCT.SR1307 · Structure no. 000000001210140

Built
2013
12 years old
Condition
Good
inspected August 2021
Type
Slab
Prestressed Concrete
Length
163 ft
3 main spans
Daily traffic
950
2019 count
Owner
State
State Highway Agency

About this bridge

NC197 over Big Rock Creek is a prestressed concrete slab carrying NC197 over Big Rock Creek in Mitchell County, North Carolina. It was built in 2013, so it is 12 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 950 vehicles a day, roughly 6% of them trucks, projected to reach 1,900 by 2040. The structure is 163 ft (49.6 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNC197
CrossesBig Rock Creek
Location0.01 MI.S.JCT.SR1307
RouteState Highway 197
Coordinates36.02446, -82.25251
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating61.9 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length163 ft (49.6 m)
Longest span67 ft (20.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2019)
Projected traffic1,900 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 NC197 over Big Rock Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is NC197 over Big Rock 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 August 2021.

How much traffic does NC197 over Big Rock Creek carry?

About 950 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is NC197 over Big Rock Creek?

The structure is 163 ft (49.6 m) long with a longest span of 67 ft (20.4 m) and a deck 33 ft wide.

Who owns NC197 over Big Rock Creek?

It is owned by the State Highway Agency.