US Bridges

SR1143 over Old Boney Creek

Good

McDowell County, North Carolina · .6 MI.E.JCT.SR1001 · Structure no. 000000001110020

Built
2000
25 years old
Condition
Good
inspected April 2022
Type
Culvert
Steel
Length
25 ft
2 main spans
Daily traffic
190
2000 count
Owner
State
State Highway Agency

About this bridge

SR1143 over Old Boney Creek is a steel culvert carrying SR1143 over Old Boney Creek in McDowell County, North Carolina. It was built in 2000, so it is 25 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 190 vehicles a day, roughly 6% of them trucks, projected to reach 380 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1143
CrossesOld Boney Creek
Location.6 MI.E.JCT.SR1001
RouteState Highway 1143
Coordinates35.5382, -82.07078
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 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 alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2000)
Projected traffic380 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR1143 over Old Boney Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is SR1143 over Old Boney 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 April 2022.

How much traffic does SR1143 over Old Boney Creek carry?

About 190 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1143 over Old Boney Creek?

The structure is 25 ft (7.6 m) long with a longest span of 7 ft (2.1 m).

Who owns SR1143 over Old Boney Creek?

It is owned by the State Highway Agency.