US Bridges

Silent Wood Lane over Hcfcd Ditch

Fair

Harris County, Texas · 0.3 MI W of N Hou Rosslyn · Structure no. 121020AA2327001

Built
1965
60 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
42 ft
3 main spans
Daily traffic
1,150
2015 count
Owner
County
County Highway Agency

About this bridge

Silent Wood Lane over Hcfcd Ditch is a concrete culvert carrying Silent Wood Lane over Hcfcd Ditch in Harris County, Texas. It was built in 1965, so it is 60 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 1,150 vehicles a day, roughly 1% of them trucks, projected to reach 1,500 by 2035. The structure is 42 ft (12.8 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSilent Wood Lane
CrossesHcfcd Ditch
Location0.3 MI W of N Hou Rosslyn
RouteCounty Highway 0
CountyHarris County
StateTexas
Coordinates29.9182, -95.50108
Functional classRural Minor 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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width38 ft (11.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2015)
Projected traffic1,500 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Silent Wood Lane over Hcfcd Ditch built?

It was built in 1965, making it 60 years old in 2025.

What condition is Silent Wood Lane over Hcfcd 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 August 2023.

How much traffic does Silent Wood Lane over Hcfcd Ditch carry?

About 1,150 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Silent Wood Lane over Hcfcd Ditch?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m) and a deck 38 ft wide.

Who owns Silent Wood Lane over Hcfcd Ditch?

It is owned by the County Highway Agency.