US Bridges

Rowan LN over Sharpstown Ditch

Fair

Harris County, Texas · 0.05 MI E of Lacy Hill · Structure no. 121020B55905619

Built
1970
55 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
938
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rowan LN over Sharpstown Ditch is a concrete culvert carrying Rowan LN over Sharpstown Ditch in Harris County, Texas. It was built in 1970, so it is 55 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 938 vehicles a day, projected to reach 1,100 by 2033. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRowan LN
CrossesSharpstown Ditch
Location0.05 MI E of Lacy Hill
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.70133, -95.54377
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
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 spans2
Design loadUnknown
Structure length22 ft (6.7 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 traffic938 (2013)
Projected traffic1,100 by 2033
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rowan LN over Sharpstown Ditch built?

It was built in 1970, making it 55 years old in 2025.

What condition is Rowan LN over Sharpstown Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does Rowan LN over Sharpstown Ditch carry?

About 938 vehicles per day (2013 count).

How long is Rowan LN over Sharpstown Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Rowan LN over Sharpstown Ditch?

It is owned by the City or Municipal Highway Agency.