US Bridges

SR1621 over Herman Creek

Fair

Catawba County, North Carolina · 0.2 Mi. N. Jct. SR1441 · Structure no. 000000000350376

Built
2009
16 years old
Condition
Fair
inspected February 2025
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
50
2009 count
Owner
State
State Highway Agency

About this bridge

SR1621 over Herman Creek is a steel culvert carrying SR1621 over Herman Creek in Catawba 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 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 50 vehicles a day, projected to reach 100 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR1621
CrossesHerman Creek
Location0.2 Mi. N. Jct. SR1441
RouteState Highway 1621
CountyCatawba County
StateNorth Carolina
Coordinates35.73992, -81.26154
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic50 (2009)
Projected traffic100 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 SR1621 over Herman Creek built?

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

What condition is SR1621 over Herman 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 SR1621 over Herman Creek carry?

About 50 vehicles per day (2009 count).

How long is SR1621 over Herman Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns SR1621 over Herman Creek?

It is owned by the State Highway Agency.