US Bridges

N Houston School over Mill Branch

Good

Dallas County, Texas · 0.3 MI N of W Pleasant · Structure no. 180570M00495004

Built
2012
13 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
53 ft
4 main spans
Daily traffic
631
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Houston School over Mill Branch is a concrete culvert carrying N Houston School over Mill Branch in Dallas County, Texas. It was built in 2012, so it is 13 years old, younger than the Texas average of 44.4 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 631 vehicles a day, roughly 3% of them trucks, projected to reach 883 by 2039. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN Houston School
CrossesMill Branch
Location0.3 MI N of W Pleasant
RouteCity Street 0
StateTexas
Coordinates32.60851, -96.80568
Functional classUrban Minor Arterial

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 inspectionFebruary 2023
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length53 ft (16.2 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 traffic631 (2019)
Projected traffic883 by 2039
Trucks3%
Lanes on structure4
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 N Houston School over Mill Branch built?

It was built in 2012, making it 13 years old in 2025.

What condition is N Houston School over Mill Branch 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 February 2023.

How much traffic does N Houston School over Mill Branch carry?

About 631 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is N Houston School over Mill Branch?

The structure is 53 ft (16.2 m) long with a longest span of 10 ft (3 m).

Who owns N Houston School over Mill Branch?

It is owned by the City or Municipal Highway Agency.