US Bridges

SH 99 Sbml over Morton Ranch RD

Fair

Harris County, Texas · 2.19 MI N of IH 10 · Structure no. 121020351005093

Built
2014
11 years old
Condition
Fair
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
383 ft
3 main spans
Daily traffic
28,600
2010 count
Owner
State
State Highway Agency

About this bridge

SH 99 Sbml over Morton Ranch RD is a prestressed concrete stringer/multi-beam or girder carrying SH 99 Sbml over Morton Ranch RD in Harris County, Texas. It was built in 2014, so it is 11 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 28,600 vehicles a day, projected to reach 46,200 by 2030. The structure is 383 ft (116.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSH 99 Sbml
CrossesMorton Ranch RD
Location2.19 MI N of IH 10
CountyHarris County
StateTexas
Coordinates29.81714, -95.77112
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum 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 spans3
Design loadHL 93
Structure length383 ft (116.7 m)
Longest span147 ft (44.8 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,600 (2010)
Projected traffic46,200 by 2030
Trucks0%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 99 Sbml over Morton Ranch RD built?

It was built in 2014, making it 11 years old in 2025.

What condition is SH 99 Sbml over Morton Ranch RD 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 2022.

How much traffic does SH 99 Sbml over Morton Ranch RD carry?

About 28,600 vehicles per day (2010 count).

How long is SH 99 Sbml over Morton Ranch RD?

The structure is 383 ft (116.7 m) long with a longest span of 147 ft (44.8 m) and a deck 44 ft wide.

Who owns SH 99 Sbml over Morton Ranch RD?

It is owned by the State Highway Agency.