US Bridges

Harwin DR over Sharpstown Ditch

FairPosted for load

Harris County, Texas · 0.1 MI E of Ranchester · Structure no. 121020B30601001

Built
1970
55 years old
Condition
Fair
inspected December 2023
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
19,688
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harwin DR over Sharpstown Ditch is a steel culvert carrying Harwin DR 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 19,688 vehicles a day, roughly 2% of them trucks, projected to reach 21,000 by 2033. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHarwin DR
CrossesSharpstown Ditch
Location0.1 MI E of Ranchester
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.71689, -95.54737
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 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 traffic19,688 (2013)
Projected traffic21,000 by 2033
Trucks2%
Lanes on structure4
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 Harwin DR over Sharpstown Ditch built?

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

What condition is Harwin DR 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 Harwin DR over Sharpstown Ditch carry?

About 19,688 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Harwin DR over Sharpstown Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Harwin DR over Sharpstown Ditch?

It is owned by the City or Municipal Highway Agency.