US Bridges

SR1768 over South Muddy Creek

FairPosted for load

McDowell County, North Carolina · .5 MI.S.JCT.SR1767 · Structure no. 000000001110272

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Channel Beam
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
80
2000 count
Owner
State
State Highway Agency

About this bridge

SR1768 over South Muddy Creek is a prestressed concrete channel beam carrying SR1768 over South Muddy Creek in McDowell County, North Carolina. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, roughly 6% of them trucks, projected to reach 160 by 2040. The structure is 92 ft (28 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR1768
CrossesSouth Muddy Creek
Location.5 MI.S.JCT.SR1767
RouteState Highway 1768
Coordinates35.62605, -81.85756
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.9 US tons
Inventory rating4 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length92 ft (28 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2000)
Projected traffic160 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 SR1768 over South Muddy Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR1768 over South 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 June 2024.

How much traffic does SR1768 over South Muddy Creek carry?

About 80 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1768 over South Muddy Creek?

The structure is 92 ft (28 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns SR1768 over South Muddy Creek?

It is owned by the State Highway Agency.