US Bridges

SH 99 EB over Riverwalk Drive

Good

Montgomery County, Texas · 1.05 MI W of FM 1314 · Structure no. 121700351007171

Built
2016
9 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
129 ft
1 main span
Daily traffic
4,000
2016 count
Owner
State
State Highway Agency

About this bridge

SH 99 EB over Riverwalk Drive is a prestressed concrete stringer/multi-beam or girder carrying SH 99 EB over Riverwalk Drive in Montgomery 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 4,000 vehicles a day, roughly 2% of them trucks, projected to reach 6,000 by 2036. The structure is 129 ft (39.3 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 EB
CrossesRiverwalk Drive
Location1.05 MI W of FM 1314
CountyMontgomery County
StateTexas
Coordinates30.13732, -95.30806
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.
Superstructure8 Very GoodNo problems noted.
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 geometry6: Equal to 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 spans1
Design loadHL 93
Structure length129 ft (39.3 m)
Longest span129 ft (39.3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2016)
Projected traffic6,000 by 2036
Trucks2%
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 EB over Riverwalk Drive built?

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

What condition is SH 99 EB over Riverwalk 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 over Riverwalk Drive carry?

About 4,000 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is SH 99 EB over Riverwalk Drive?

The structure is 129 ft (39.3 m) long with a longest span of 129 ft (39.3 m) and a deck 40 ft wide.

Who owns SH 99 EB over Riverwalk Drive?

It is owned by the State Highway Agency.