US Bridges

Kirbys Knack DR over Detention Basin

Good

Harris County, Texas · 0.06 MI NW of Morgans LA · Structure no. 121020A13850001

Built
2010
15 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
200
2014 count
Owner
County
County Highway Agency

About this bridge

Kirbys Knack DR over Detention Basin is a concrete culvert carrying Kirbys Knack DR over Detention Basin in Harris County, Texas. It was built in 2010, so it is 15 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 200 vehicles a day, projected to reach 450 by 2034. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKirbys Knack DR
CrossesDetention Basin
Location0.06 MI NW of Morgans LA
RouteCounty Highway 0
StateTexas
Coordinates29.95297, -95.72726
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2014)
Projected traffic450 by 2034
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Kirbys Knack DR over Detention Basin built?

It was built in 2010, making it 15 years old in 2025.

What condition is Kirbys Knack DR over Detention Basin 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 September 2023.

How much traffic does Kirbys Knack DR over Detention Basin carry?

About 200 vehicles per day (2014 count).

How long is Kirbys Knack DR over Detention Basin?

The structure is 47 ft (14.3 m) long with a longest span of 12 ft (3.7 m).

Who owns Kirbys Knack DR over Detention Basin?

It is owned by the County Highway Agency.