US Bridges

FM 526 NB over Greens Bayou

Good

Harris County, Texas · 1.50 MI S of Old US 90 · Structure no. 121020263301202

Built
1989
36 years old, rebuilt 1991
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
730 ft
1 main span
Daily traffic
14,174
2023 count
Owner
State
State Highway Agency

About this bridge

FM 526 NB over Greens Bayou is a prestressed concrete stringer/multi-beam or girder carrying FM 526 NB over Greens Bayou in Harris County, Texas. It was built in 1989 and reconstructed in 1991, 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 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 14,174 vehicles a day, roughly 13% of them trucks, projected to reach 19,844 by 2042. The structure is 730 ft (222.5 m) long and 39 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM 526 NB
CrossesGreens Bayou
Location1.50 MI S of Old US 90
RouteState Highway 526
StateTexas
Coordinates29.80996, -95.21258
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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, cast-in-place
Main spans1 (+8 approach)
Design loadHS 20
Structure length730 ft (222.5 m)
Longest span130 ft (39.6 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,174 (2023)
Projected traffic19,844 by 2042
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 FM 526 NB over Greens Bayou built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 1991.

What condition is FM 526 NB over Greens 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 August 2024.

How much traffic does FM 526 NB over Greens Bayou carry?

About 14,174 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is FM 526 NB over Greens Bayou?

The structure is 730 ft (222.5 m) long with a longest span of 130 ft (39.6 m) and a deck 39 ft wide.

Who owns FM 526 NB over Greens Bayou?

It is owned by the State Highway Agency.