US Bridges

US158 over Lowery Mill Creek

Fair

Forsyth County, North Carolina · 0.1 Mi. E. Jct. SR2396 · Structure no. 000000000670140

Built
1928
97 years old, rebuilt 1955
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
14,000
2021 count
Owner
State
State Highway Agency

About this bridge

US158 over Lowery Mill Creek is a concrete continuous culvert carrying US158 over Lowery Mill Creek in Forsyth County, North Carolina. It was built in 1928 and reconstructed in 1955, so it is 97 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 fair condition with a lowest component rating of 5 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 14,000 vehicles a day, roughly 12% of them trucks, projected to reach 28,000 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesUS158
CrossesLowery Mill Creek
Location0.1 Mi. E. Jct. SR2396
RouteU.S. Route 158
CountyForsyth County
StateNorth Carolina
Coordinates36.14151, -80.16088
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans3
Design loadHS 20 + Mod
Structure length26 ft (7.9 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 traffic14,000 (2021)
Projected traffic28,000 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes

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 US158 over Lowery Mill Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1955.

What condition is US158 over Lowery Mill Creek 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 August 2023.

How much traffic does US158 over Lowery Mill Creek carry?

About 14,000 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US158 over Lowery Mill Creek?

The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2.1 m).

Who owns US158 over Lowery Mill Creek?

It is owned by the State Highway Agency.