US Bridges

SH 99 WB over Hcfcd Ditch M122-00-00

Good

Harris County, Texas · 1.10 MI E of SH 249 · Structure no. 121020351006160

Built
2015
10 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
111 ft
1 main span
Daily traffic
40,011
2023 count
Owner
State
State Highway Agency

About this bridge

SH 99 WB over Hcfcd Ditch M122-00-00 is a prestressed concrete stringer/multi-beam or girder carrying SH 99 WB over Hcfcd Ditch M122-00-00 in Harris County, Texas. It was built in 2015, so it is 10 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 40,011 vehicles a day, roughly 7% of them trucks, projected to reach 56,016 by 2042. The structure is 111 ft (33.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 99 WB
CrossesHcfcd Ditch M122-00-00
Location1.10 MI E of SH 249
CountyHarris County
StateTexas
Coordinates30.05149, -95.59678
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length111 ft (33.8 m)
Longest span111 ft (33.8 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,011 (2023)
Projected traffic56,016 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-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 WB over Hcfcd Ditch M122-00-00 built?

It was built in 2015, making it 10 years old in 2025.

What condition is SH 99 WB over Hcfcd Ditch M122-00-00 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 October 2024.

How much traffic does SH 99 WB over Hcfcd Ditch M122-00-00 carry?

About 40,011 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SH 99 WB over Hcfcd Ditch M122-00-00?

The structure is 111 ft (33.8 m) long with a longest span of 111 ft (33.8 m) and a deck 40 ft wide.

Who owns SH 99 WB over Hcfcd Ditch M122-00-00?

It is owned by the State Highway Agency.