US Bridges

SR1135 over Walnut Creek

Poor

Madison County, North Carolina · .1 MI.S.JCT.US25 70 · Structure no. 000000001150531

Built
1985
40 years old
Condition
Poor
inspected May 2024
Type
Culvert
Steel
Length
41 ft
3 main spans
Daily traffic
850
2022 count
Owner
State
State Highway Agency

About this bridge

SR1135 over Walnut Creek is a steel culvert carrying SR1135 over Walnut Creek in Madison County, North Carolina. It was built in 1985, so it is 40 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 850 vehicles a day, roughly 6% of them trucks, projected to reach 1,700 by 2040. The structure is 41 ft (12.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1135
CrossesWalnut Creek
Location.1 MI.S.JCT.US25 70
RouteState Highway 1135
Coordinates35.81272, -82.70611
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length41 ft (12.4 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 traffic850 (2022)
Projected traffic1,700 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1135 over Walnut Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR1135 over Walnut Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does SR1135 over Walnut Creek carry?

About 850 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1135 over Walnut Creek?

The structure is 41 ft (12.4 m) long with a longest span of 10 ft (3 m).

Who owns SR1135 over Walnut Creek?

It is owned by the State Highway Agency.