US Bridges

I74 US311 W over Muddy Creek

Good

Randolph County, North Carolina · 1.6 Mi. W. Jct. SR1929 · Structure no. 000000001510516

Built
2009
16 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
160 ft
1 main span
Daily traffic
8,000
2018 count
Owner
State
State Highway Agency

About this bridge

I74 US311 W over Muddy Creek is a steel stringer/multi-beam or girder carrying I74 US311 W over Muddy Creek in Randolph County, North Carolina. It was built in 2009, so it is 16 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 8,000 vehicles a day, roughly 23% of them trucks, projected to reach 16,000 by 2040. The structure is 160 ft (48.7 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI74 US311 W
CrossesMuddy Creek
Location1.6 Mi. W. Jct. SR1929
RouteInterstate 74
Coordinates35.89416, -79.91452
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating67.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length160 ft (48.7 m)
Longest span156 ft (47.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2018)
Projected traffic16,000 by 2040
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I74 US311 W over Muddy Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is I74 US311 W over Muddy 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 December 2024.

How much traffic does I74 US311 W over Muddy Creek carry?

About 8,000 vehicles per day (2018 count), of which roughly 23% are trucks.

How long is I74 US311 W over Muddy Creek?

The structure is 160 ft (48.7 m) long with a longest span of 156 ft (47.5 m) and a deck 43 ft wide.

Who owns I74 US311 W over Muddy Creek?

It is owned by the State Highway Agency.