US Bridges

Mill Ridge Road over US25 70

Fair

Madison County, North Carolina · 2.1 MI.W.JCT.NC208 · Structure no. 000000001150533

Built
1990
35 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
149 ft
3 main spans
Daily traffic
1,800
2012 count
Owner
State
State Highway Agency

About this bridge

Mill Ridge Road over US25 70 is a steel stringer/multi-beam or girder carrying Mill Ridge Road over US25 70 in Madison County, North Carolina. It was built in 1990, so it is 35 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 1,800 vehicles a day, roughly 6% of them trucks, projected to reach 3,600 by 2040. The structure is 149 ft (45.4 m) long and 20 ft wide. If it were closed, the detour would be 33.6 mi (54 km).

CarriesMill Ridge Road
CrossesUS25 70
Location2.1 MI.W.JCT.NC208
RouteFederal Lands Road 0
Coordinates35.91017, -82.79099
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating48 US tons

Structure

MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length149 ft (45.4 m)
Longest span66 ft (20.1 m)
Deck width20 ft (6 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2012)
Projected traffic3,600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed33.6 mi (54 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mill Ridge Road over US25 70 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Mill Ridge Road over US25 70 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 May 2024.

How much traffic does Mill Ridge Road over US25 70 carry?

About 1,800 vehicles per day (2012 count), of which roughly 6% are trucks.

How long is Mill Ridge Road over US25 70?

The structure is 149 ft (45.4 m) long with a longest span of 66 ft (20.1 m) and a deck 20 ft wide.

Who owns Mill Ridge Road over US25 70?

It is owned by the State Highway Agency.