US Bridges

SH 99 NB over Cypresswood Drive

Good

Harris County, Texas · 0.25 MI N of US 290 · Structure no. 121020351006143

Built
2015
10 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
199 ft
2 main spans
Daily traffic
4,000
2015 count
Owner
State
State Highway Agency

About this bridge

SH 99 NB over Cypresswood Drive is a prestressed concrete stringer/multi-beam or girder carrying SH 99 NB over Cypresswood Drive 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 4,000 vehicles a day, roughly 3% of them trucks, projected to reach 6,000 by 2035. The structure is 199 ft (60.7 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 NB
CrossesCypresswood Drive
Location0.25 MI N of US 290
CountyHarris County
StateTexas
Coordinates30.00261, -95.7689
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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, precast panels
Main spans2
Design loadHL 93
Structure length199 ft (60.7 m)
Longest span100 ft (30.5 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2015)
Projected traffic6,000 by 2035
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 NB over Cypresswood Drive built?

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

What condition is SH 99 NB over Cypresswood Drive 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 NB over Cypresswood Drive carry?

About 4,000 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is SH 99 NB over Cypresswood Drive?

The structure is 199 ft (60.7 m) long with a longest span of 100 ft (30.5 m) and a deck 40 ft wide.

Who owns SH 99 NB over Cypresswood Drive?

It is owned by the State Highway Agency.