US Bridges

SH 99 over Rothwood RD UPRR

Good

Harris County, Texas · 3.5 MI W of IH 45 · Structure no. 121020351006178

Built
2016
9 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,871 ft
16 main spans
Daily traffic
6,000
2016 count
Owner
State
State Highway Agency

About this bridge

SH 99 over Rothwood RD UPRR is a prestressed concrete stringer/multi-beam or girder carrying SH 99 over Rothwood RD UPRR 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 6,000 vehicles a day, roughly 8% of them trucks, projected to reach 10,000 by 2036. The structure is 1,871 ft (570.3 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 99
CrossesRothwood RD UPRR
Location3.5 MI W of IH 45
StateTexas
Coordinates30.09431, -95.49248
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 inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans16
Design loadHL 93
Structure length1,871 ft (570.3 m)
Longest span134 ft (40.8 m)
Deck width80 ft (24.4 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2016)
Projected traffic10,000 by 2036
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 Rothwood RD UPRR built?

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

What condition is SH 99 over Rothwood RD UPRR 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 over Rothwood RD UPRR carry?

About 6,000 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is SH 99 over Rothwood RD UPRR?

The structure is 1,871 ft (570.3 m) long with a longest span of 134 ft (40.8 m) and a deck 80 ft wide.

Who owns SH 99 over Rothwood RD UPRR?

It is owned by the State Highway Agency.