US Bridges

SH 99 over Little Cypress Creek

Fair

Harris County, Texas · 2.00 MI N of US 290 · Structure no. 121020351006144

Built
2015
10 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,295 ft
20 main spans
Daily traffic
42,740
2023 count
Owner
State
State Highway Agency

About this bridge

SH 99 over Little Cypress Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 99 over Little Cypress Creek in Harris County, Texas. It was built in 2015, so it is 10 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 42,740 vehicles a day, roughly 5% of them trucks, projected to reach 8,000 by 2035. The structure is 2,295 ft (699.5 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 99
CrossesLittle Cypress Creek
Location2.00 MI N of US 290
StateTexas
Coordinates30.02864, -95.76522
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans20
Design loadHL 93
Structure length2,295 ft (699.5 m)
Longest span119 ft (36.3 m)
Deck width80 ft (24.4 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,740 (2023)
Projected traffic8,000 by 2035
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 Little Cypress Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is SH 99 over Little Cypress Creek 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 October 2024.

How much traffic does SH 99 over Little Cypress Creek carry?

About 42,740 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SH 99 over Little Cypress Creek?

The structure is 2,295 ft (699.5 m) long with a longest span of 119 ft (36.3 m) and a deck 80 ft wide.

Who owns SH 99 over Little Cypress Creek?

It is owned by the State Highway Agency.