US Bridges

Mesa DR over Garners Bayou

Good

Harris County, Texas · 0.2 MI S of Old Humble RD · Structure no. 121020AA4168001

Built
1993
32 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
240 ft
5 main spans
Daily traffic
4,554
2016 count
Owner
County
County Highway Agency

About this bridge

Mesa DR over Garners Bayou is a prestressed concrete box beam or girders - multiple carrying Mesa DR over Garners Bayou in Harris County, Texas. It was built in 1993, so it is 32 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 4,554 vehicles a day, roughly 1% of them trucks, projected to reach 5,000 by 2030. The structure is 240 ft (73.2 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMesa DR
CrossesGarners Bayou
Location0.2 MI S of Old Humble RD
RouteCounty Highway 0
CountyHarris County
StateTexas
Coordinates29.95364, -95.26633
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length240 ft (73.2 m)
Longest span48 ft (14.6 m)
Deck width34 ft (10.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,554 (2016)
Projected traffic5,000 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$15,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mesa DR over Garners Bayou built?

It was built in 1993, making it 32 years old in 2025.

What condition is Mesa DR over Garners Bayou 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 December 2023.

How much traffic does Mesa DR over Garners Bayou carry?

About 4,554 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Mesa DR over Garners Bayou?

The structure is 240 ft (73.2 m) long with a longest span of 48 ft (14.6 m) and a deck 34 ft wide.

Who owns Mesa DR over Garners Bayou?

It is owned by the County Highway Agency.