US Bridges

Mykawa RD SB over Clear Creek

Fair

Harris County, Texas · 1.7 MI S of Almeda Genoa · Structure no. 121020B46281002

Built
1989
36 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
126 ft
3 main spans
Daily traffic
4,238
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mykawa RD SB over Clear Creek is a prestressed concrete box beam or girders - multiple carrying Mykawa RD SB over Clear Creek in Harris County, Texas. It was built in 1989, so it is 36 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 4,238 vehicles a day, roughly 5% of them trucks, projected to reach 5,000 by 2037. The structure is 126 ft (38.4 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMykawa RD SB
CrossesClear Creek
Location1.7 MI S of Almeda Genoa
RouteCity Street 0
StateTexas
Coordinates29.5965, -95.29741
Functional classUrban Collector

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length126 ft (38.4 m)
Longest span42 ft (12.8 m)
Deck width33 ft (10 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,238 (2021)
Projected traffic5,000 by 2037
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Mykawa RD SB over Clear Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Mykawa RD SB over Clear 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 September 2023.

How much traffic does Mykawa RD SB over Clear Creek carry?

About 4,238 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Mykawa RD SB over Clear Creek?

The structure is 126 ft (38.4 m) long with a longest span of 42 ft (12.8 m) and a deck 33 ft wide.

Who owns Mykawa RD SB over Clear Creek?

It is owned by the City or Municipal Highway Agency.