US Bridges

75th Street over Brays Bayou

Good

Harris County, Texas · 0.60 MI S of Harrisburg · Structure no. 121020B01201320

Built
2021
4 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
310 ft
3 main spans
Daily traffic
132,000
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

75th Street over Brays Bayou is a prestressed concrete box beam or girders - multiple carrying 75th Street over Brays Bayou in Harris County, Texas. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 132,000 vehicles a day, roughly 1% of them trucks, projected to reach 1 by 1900. The structure is 310 ft (94.5 m) long and 71 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries75th Street
CrossesBrays Bayou
Location0.60 MI S of Harrisburg
RouteCity Street 0
StateTexas
Coordinates29.728, -95.29484
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal 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 spans3
Design loadHL 93
Structure length310 ft (94.5 m)
Longest span104 ft (31.7 m)
Deck width71 ft (21.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132,000 (2012)
Projected traffic1 by 1900
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 75th Street over Brays Bayou built?

It was built in 2021, making it 4 years old in 2025.

What condition is 75th Street over Brays 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 75th Street over Brays Bayou carry?

About 132,000 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is 75th Street over Brays Bayou?

The structure is 310 ft (94.5 m) long with a longest span of 104 ft (31.7 m) and a deck 71 ft wide.

Who owns 75th Street over Brays Bayou?

It is owned by the City or Municipal Highway Agency.