US Bridges

NC90 over Little Mulberry Creek

Fair

Caldwell County, North Carolina · .5 Mi.E.Jct SR1354 · Structure no. 000000000270030

Built
1983
42 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
153 ft
3 main spans
Daily traffic
700
2022 count
Owner
State
State Highway Agency

About this bridge

NC90 over Little Mulberry Creek is a prestressed concrete stringer/multi-beam or girder carrying NC90 over Little Mulberry Creek in Caldwell County, North Carolina. It was built in 1983, so it is 42 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 153 ft (46.6 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNC90
CrossesLittle Mulberry Creek
Location.5 Mi.E.Jct SR1354
RouteState Highway 90
Coordinates35.94316, -81.63416
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length153 ft (46.6 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)
Projected traffic1,400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 NC90 over Little Mulberry Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is NC90 over Little Mulberry 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 July 2024.

How much traffic does NC90 over Little Mulberry Creek carry?

About 700 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is NC90 over Little Mulberry Creek?

The structure is 153 ft (46.6 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns NC90 over Little Mulberry Creek?

It is owned by the State Highway Agency.