US Bridges

Patterson Ave. over Mill Creek

Good

Forsyth County, North Carolina · .25 MI.S.SR4000 · Structure no. 000000000670333

Built
1950
75 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
1,400
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Patterson Ave. over Mill Creek is a concrete continuous culvert carrying Patterson Ave. over Mill Creek in Forsyth County, North Carolina. It was built in 1950, so it is 75 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 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 1,400 vehicles a day, roughly 7% of them trucks, projected to reach 2,800 by 2040. The structure is 37 ft (11.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPatterson Ave.
CrossesMill Creek
Location.25 MI.S.SR4000
RouteCity Street 0
Coordinates36.18049, -80.27172
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 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 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
Structure length37 ft (11.2 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2019)
Projected traffic2,800 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Patterson Ave. over Mill Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Patterson Ave. 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 May 2024.

How much traffic does Patterson Ave. over Mill Creek carry?

About 1,400 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is Patterson Ave. over Mill Creek?

The structure is 37 ft (11.2 m) long with a longest span of 12 ft (3.6 m).

Who owns Patterson Ave. over Mill Creek?

It is owned by the City or Municipal Highway Agency.