US Bridges

SR1739 over Mclin Creek

FairPosted for load

Catawba County, North Carolina · 0.3 Mi. N. Jct. SR1746 · Structure no. 000000000350086

Built
1969
56 years old
Condition
Fair
inspected February 2025
Type
Channel Beam
Prestressed Concrete
Length
76 ft
3 main spans
Daily traffic
3,400
2021 count
Owner
State
State Highway Agency

About this bridge

SR1739 over Mclin Creek is a prestressed concrete channel beam carrying SR1739 over Mclin Creek in Catawba County, North Carolina. It was built in 1969, so it is 56 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 3,400 vehicles a day, roughly 6% of them trucks, projected to reach 6,800 by 2040. The structure is 76 ft (23.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1739
CrossesMclin Creek
Location0.3 Mi. N. Jct. SR1746
RouteState Highway 1739
Coordinates35.68664, -81.20055
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.9 US tons
Inventory rating18 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length76 ft (23.1 m)
Longest span25 ft (7.6 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2021)
Projected traffic6,800 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1739 over Mclin Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is SR1739 over Mclin 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 February 2025.

How much traffic does SR1739 over Mclin Creek carry?

About 3,400 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1739 over Mclin Creek?

The structure is 76 ft (23.1 m) long with a longest span of 25 ft (7.6 m) and a deck 30 ft wide.

Who owns SR1739 over Mclin Creek?

It is owned by the State Highway Agency.