US Bridges

Tanglebrook Trail over Johnson Creek

Good

Forsyth County, North Carolina · 0.1 Mi. S. Jct. Maidstone · Structure no. 000000000670655

Built
1960
65 years old
Condition
Good
inspected May 2024
Type
Culvert
Steel
Length
30 ft
3 main spans
Daily traffic
100
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tanglebrook Trail over Johnson Creek is a steel culvert carrying Tanglebrook Trail over Johnson Creek in Forsyth County, North Carolina. It was built in 1960, so it is 65 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 100 vehicles a day, roughly 7% of them trucks, projected to reach 200 by 2040. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesTanglebrook Trail
CrossesJohnson Creek
Location0.1 Mi. S. Jct. Maidstone
RouteCity Street 0
Coordinates36.00614, -80.40023
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 protection7 GoodSome minor problems.
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 rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Tanglebrook Trail over Johnson Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Tanglebrook Trail over Johnson 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 Tanglebrook Trail over Johnson Creek carry?

About 100 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Tanglebrook Trail over Johnson Creek?

The structure is 30 ft (9.1 m) long with a longest span of 7 ft (2.1 m).

Who owns Tanglebrook Trail over Johnson Creek?

It is owned by the City or Municipal Highway Agency.