US Bridges

SR1501 over Catawba River

Fair

McDowell County, North Carolina · .2 MI.S.JCT.SR1550 · Structure no. 000000001110069

Built
1979
46 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
481 ft
8 main spans
Daily traffic
700
2021 count
Owner
State
State Highway Agency

About this bridge

SR1501 over Catawba River is a prestressed concrete stringer/multi-beam or girder carrying SR1501 over Catawba River in McDowell County, North Carolina. It was built in 1979, so it is 46 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 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 700 vehicles a day, roughly 7% of them trucks, projected to reach 1,400 by 2040. The structure is 481 ft (146.6 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR1501
CrossesCatawba River
Location.2 MI.S.JCT.SR1550
RouteState Highway 1501
Coordinates35.71957, -82.00203
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating92.9 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 15
Structure length481 ft (146.6 m)
Longest span59 ft (17.9 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2021)
Projected traffic1,400 by 2040
Trucks7%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1501 over Catawba River built?

It was built in 1979, making it 46 years old in 2025.

What condition is SR1501 over Catawba River 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 2024.

How much traffic does SR1501 over Catawba River carry?

About 700 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1501 over Catawba River?

The structure is 481 ft (146.6 m) long with a longest span of 59 ft (17.9 m) and a deck 33 ft wide.

Who owns SR1501 over Catawba River?

It is owned by the State Highway Agency.