US Bridges

SH 99 over Hcfcd Ditch J121-00-00

Fair

Harris County, Texas · 1.10 MI E of Gosling RD · Structure no. 121020351006213

Built
2016
9 years old, rebuilt 2022
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
77,149
2023 count
Owner
State
State Highway Agency

About this bridge

SH 99 over Hcfcd Ditch J121-00-00 is a concrete culvert carrying SH 99 over Hcfcd Ditch J121-00-00 in Harris County, Texas. It was built in 2016 and reconstructed in 2022, so it is 9 years old, younger 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 77,149 vehicles a day, roughly 8% of them trucks, projected to reach 135,782 by 2042. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 99
CrossesHcfcd Ditch J121-00-00
Location1.10 MI E of Gosling RD
StateTexas
Coordinates30.09423, -95.48871
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable 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 length38 ft (11.6 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77,149 (2023)
Projected traffic135,782 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 99 over Hcfcd Ditch J121-00-00 built?

It was built in 2016, making it 9 years old in 2025. It was reconstructed in 2022.

What condition is SH 99 over Hcfcd Ditch J121-00-00 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 November 2024.

How much traffic does SH 99 over Hcfcd Ditch J121-00-00 carry?

About 77,149 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SH 99 over Hcfcd Ditch J121-00-00?

The structure is 38 ft (11.6 m) long with a longest span of 9 ft (2.7 m).

Who owns SH 99 over Hcfcd Ditch J121-00-00?

It is owned by the State Highway Agency.