US Bridges

SH99WB Conn Hrdysb over Sprng Ck SH 99 Hardytl

Fair

Harris County, Texas · 1.35 MI E of IH 45 · Structure no. 121020351006250

Built
2016
9 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,275 ft
4 main spans
Daily traffic
7,113
2024 count
Owner
State
State Highway Agency

About this bridge

SH99WB Conn Hrdysb over Sprng Ck SH 99 Hardytl is a steel continuous stringer/multi-beam or girder carrying SH99WB Conn Hrdysb over Sprng Ck SH 99 Hardytl 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 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 7,113 vehicles a day, projected to reach 1,500 by 2036. The structure is 2,275 ft (693.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH99WB Conn Hrdysb
CrossesSprng Ck SH 99 Hardytl
Location1.35 MI E of IH 45
RouteState Highway 99
StateTexas
Coordinates30.09318, -95.41315
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+13 approach)
Design loadHL 93
Structure length2,275 ft (693.4 m)
Longest span195 ft (59.4 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,113 (2024)
Projected traffic1,500 by 2036
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free 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 SH99WB Conn Hrdysb over Sprng Ck SH 99 Hardytl built?

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

What condition is SH99WB Conn Hrdysb over Sprng Ck SH 99 Hardytl 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 November 2024.

How much traffic does SH99WB Conn Hrdysb over Sprng Ck SH 99 Hardytl carry?

About 7,113 vehicles per day (2024 count).

How long is SH99WB Conn Hrdysb over Sprng Ck SH 99 Hardytl?

The structure is 2,275 ft (693.4 m) long with a longest span of 195 ft (59.4 m) and a deck 28 ft wide.

Who owns SH99WB Conn Hrdysb over Sprng Ck SH 99 Hardytl?

It is owned by the State Highway Agency.