US Bridges

SR1147 over Second Broad River

Good

McDowell County, North Carolina · .2 MI.N.JCT.SR1148 · Structure no. 000000001110041

Built
2000
25 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
43 ft
3 main spans
Daily traffic
500
2019 count
Owner
State
State Highway Agency

About this bridge

SR1147 over Second Broad River is a concrete continuous culvert carrying SR1147 over Second Broad River 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 500 vehicles a day, roughly 6% of them trucks, projected to reach 1,000 by 2040. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1147
CrossesSecond Broad River
Location.2 MI.N.JCT.SR1148
RouteState Highway 1147
Coordinates35.58119, -81.99456
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionApril 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 rating58 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length43 ft (13.1 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 traffic500 (2019)
Projected traffic1,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1147 over Second Broad River built?

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

What condition is SR1147 over Second Broad River 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 2024.

How much traffic does SR1147 over Second Broad River carry?

About 500 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1147 over Second Broad River?

The structure is 43 ft (13.1 m) long with a longest span of 12 ft (3.6 m).

Who owns SR1147 over Second Broad River?

It is owned by the State Highway Agency.