US Bridges

SR1407 over Mill Creek

Fair

McDowell County, North Carolina · 100 FT.E.JCT.SR1400 · Structure no. 000000001110303

Built
1922
103 years old, rebuilt 1941
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
37 ft
1 main span
Daily traffic
300
2022 count
Owner
State
State Highway Agency

About this bridge

SR1407 over Mill Creek is a concrete tee beam carrying SR1407 over Mill Creek in McDowell County, North Carolina. It was built in 1922 and reconstructed in 1941, so it is 103 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 300 vehicles a day, roughly 6% of them trucks, projected to reach 600 by 2040. The structure is 37 ft (11.2 m) long and 38 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

CarriesSR1407
CrossesMill Creek
Location100 FT.E.JCT.SR1400
RouteState Highway 1407
Coordinates35.63594, -82.21867
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
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
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length37 ft (11.2 m)
Longest span36 ft (10.9 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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 SR1407 over Mill Creek built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1941.

What condition is SR1407 over Mill 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 December 2023.

How much traffic does SR1407 over Mill Creek carry?

About 300 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1407 over Mill Creek?

The structure is 37 ft (11.2 m) long with a longest span of 36 ft (10.9 m) and a deck 38 ft wide.

Who owns SR1407 over Mill Creek?

It is owned by the State Highway Agency.