US Bridges

SR1159 over Middle Creek

Poor

Yancey County, North Carolina · 1.1 MI.N.JCT.SR1160 · Structure no. 000000001990173

Built
1978
47 years old
Condition
Poor
inspected July 2023
Type
Culvert
Steel
Length
31 ft
2 main spans
Daily traffic
300
2019 count
Owner
State
State Highway Agency

About this bridge

SR1159 over Middle Creek is a steel culvert carrying SR1159 over Middle Creek in Yancey County, North Carolina. It was built in 1978, so it is 47 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 300 vehicles a day, roughly 6% of them trucks, projected to reach 600 by 2040. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR1159
CrossesMiddle Creek
Location1.1 MI.N.JCT.SR1160
RouteState Highway 1159
Coordinates35.79131, -82.21214
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating90.9 US tons
Inventory rating70 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2019)
Projected traffic600 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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1159 over Middle Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is SR1159 over Middle Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does SR1159 over Middle Creek carry?

About 300 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1159 over Middle Creek?

The structure is 31 ft (9.4 m) long with a longest span of 9 ft (2.7 m).

Who owns SR1159 over Middle Creek?

It is owned by the State Highway Agency.