US Bridges

US158 over Muddy Creek

Fair

Forsyth County, North Carolina · 0.1 Mi. E. Jct. SR1115 · Structure no. 000000000670033

Built
1994
31 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
231 ft
3 main spans
Daily traffic
17,000
2021 count
Owner
State
State Highway Agency

About this bridge

US158 over Muddy Creek is a prestressed concrete stringer/multi-beam or girder carrying US158 over Muddy Creek in Forsyth County, North Carolina. It was built in 1994, so it is 31 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 fair condition with a lowest component rating of 6 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 17,000 vehicles a day, roughly 6% of them trucks, projected to reach 34,000 by 2040. The structure is 231 ft (70.4 m) long and 71 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS158
CrossesMuddy Creek
Location0.1 Mi. E. Jct. SR1115
RouteU.S. Route 158
CountyForsyth County
StateNorth Carolina
Coordinates36.02414, -80.35451
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating99 US tons
Inventory rating54.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length231 ft (70.4 m)
Longest span75 ft (22.8 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2021)
Projected traffic34,000 by 2040
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 US158 over Muddy Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is US158 over Muddy 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 November 2023.

How much traffic does US158 over Muddy Creek carry?

About 17,000 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US158 over Muddy Creek?

The structure is 231 ft (70.4 m) long with a longest span of 75 ft (22.8 m) and a deck 71 ft wide.

Who owns US158 over Muddy Creek?

It is owned by the State Highway Agency.