US Bridges

SH 99 EB Frtg RD over Energy Drive

Good

Harris County, Texas · 0.25 MI W of IH 45 · Structure no. 121020351006127

Built
2016
9 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
1,000
2015 count
Owner
State
State Highway Agency

About this bridge

SH 99 EB Frtg RD over Energy Drive is a prestressed concrete stringer/multi-beam or girder carrying SH 99 EB Frtg RD over Energy Drive in Harris County, Texas. It was built in 2016, 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 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 1,000 vehicles a day, projected to reach 3,000 by 2035. The structure is 115 ft (35.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 99 EB Frtg RD
CrossesEnergy Drive
Location0.25 MI W of IH 45
CountyHarris County
StateTexas
Coordinates30.09186, -95.4391
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 length115 ft (35.1 m)
Longest span115 ft (35.1 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2015)
Projected traffic3,000 by 2035
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 EB Frtg RD over Energy Drive built?

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

What condition is SH 99 EB Frtg RD over Energy 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 November 2022.

How much traffic does SH 99 EB Frtg RD over Energy Drive carry?

About 1,000 vehicles per day (2015 count).

How long is SH 99 EB Frtg RD over Energy Drive?

The structure is 115 ft (35.1 m) long with a longest span of 115 ft (35.1 m) and a deck 41 ft wide.

Who owns SH 99 EB Frtg RD over Energy Drive?

It is owned by the State Highway Agency.