US Bridges

SR1408 over Mill Creek

Good

McDowell County, North Carolina · .15 MI.N.JCT.SR1407 · Structure no. 000000001110140

Built
1997
28 years old
Condition
Good
inspected December 2021
Type
Culvert
Concrete Continuous
Length
42 ft
2 main spans
Daily traffic
380
2016 count
Owner
State
State Highway Agency

About this bridge

SR1408 over Mill Creek is a concrete continuous culvert carrying SR1408 over Mill Creek in McDowell County, North Carolina. It was built in 1997, so it is 28 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 380 vehicles a day, roughly 6% of them trucks, projected to reach 760 by 2040. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR1408
CrossesMill Creek
Location.15 MI.N.JCT.SR1407
RouteState Highway 1408
Coordinates35.65622, -82.2464
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.9 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length42 ft (12.8 m)
Longest span18 ft (5.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2016)
Projected traffic760 by 2040
Trucks6%
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 SR1408 over Mill Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR1408 over Mill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2021.

How much traffic does SR1408 over Mill Creek carry?

About 380 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1408 over Mill Creek?

The structure is 42 ft (12.8 m) long with a longest span of 18 ft (5.4 m).

Who owns SR1408 over Mill Creek?

It is owned by the State Highway Agency.