US Bridges

US64 NC90 over Mountain Run Creek

Fair

Caldwell County, North Carolina · .1 MI.W.JCT.SR1790 · Structure no. 000000000270392

Built
1960
65 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
4,900
2022 count
Owner
State
State Highway Agency

About this bridge

US64 NC90 over Mountain Run Creek is a concrete continuous culvert carrying US64 NC90 over Mountain Run Creek in Caldwell County, North Carolina. It was built in 1960, so it is 65 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.

It carries about 4,900 vehicles a day, roughly 8% of them trucks, projected to reach 9,800 by 2040. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS64 NC90
CrossesMountain Run Creek
Location.1 MI.W.JCT.SR1790
RouteU.S. Route 64
CountyCaldwell County
StateNorth Carolina
Coordinates35.9082, -81.41174
Functional classRural 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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2022)
Projected traffic9,800 by 2040
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US64 NC90 over Mountain Run Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is US64 NC90 over Mountain Run 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 March 2024.

How much traffic does US64 NC90 over Mountain Run Creek carry?

About 4,900 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US64 NC90 over Mountain Run Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns US64 NC90 over Mountain Run Creek?

It is owned by the State Highway Agency.