US Bridges

US25 US70 over Walnut Creek

Fair

Madison County, North Carolina · .01 MI.S.JCT.US25 70BUS · Structure no. 000000001150035

Built
1974
51 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
49 ft
3 main spans
Daily traffic
10,000
2022 count
Owner
State
State Highway Agency

About this bridge

US25 US70 over Walnut Creek is a concrete continuous culvert carrying US25 US70 over Walnut Creek in Madison County, North Carolina. It was built in 1974, so it is 51 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 10,000 vehicles a day, roughly 8% of them trucks, projected to reach 20,000 by 2040. The structure is 49 ft (14.9 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS25 US70
CrossesWalnut Creek
Location.01 MI.S.JCT.US25 70BUS
RouteU.S. Route 25
Coordinates35.81421, -82.69114
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 spans3
Design loadHS 20 + Mod
Structure length49 ft (14.9 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2022)
Projected traffic20,000 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 US25 US70 over Walnut Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is US25 US70 over Walnut 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 May 2024.

How much traffic does US25 US70 over Walnut Creek carry?

About 10,000 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US25 US70 over Walnut Creek?

The structure is 49 ft (14.9 m) long with a longest span of 11 ft (3.3 m).

Who owns US25 US70 over Walnut Creek?

It is owned by the State Highway Agency.