US Bridges

Calhoun Street over Brays Bayou

Good

Harris County, Texas · 0.4 MI N of Ost · Structure no. 121020B11625565

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
277 ft
2 main spans
Daily traffic
5,400
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Calhoun Street over Brays Bayou is a prestressed concrete box beam or girders - multiple carrying Calhoun Street over Brays Bayou in Harris County, Texas. It was built in 2023, so it is 2 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 5,400 vehicles a day, roughly 3% of them trucks, projected to reach 7,464 by 2038. The structure is 277 ft (84.4 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCalhoun Street
CrossesBrays Bayou
Location0.4 MI N of Ost
RouteCity Street 0
StateTexas
Coordinates29.71185, -95.34148
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
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 above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 spans2 (+1 approach)
Design loadHL 93
Structure length277 ft (84.4 m)
Longest span115 ft (35.1 m)
Deck width58 ft (17.8 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2018)
Projected traffic7,464 by 2038
Trucks3%
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

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 Calhoun Street over Brays Bayou built?

It was built in 2023, making it 2 years old in 2025.

What condition is Calhoun 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 Calhoun Street over Brays Bayou carry?

About 5,400 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Calhoun Street over Brays Bayou?

The structure is 277 ft (84.4 m) long with a longest span of 115 ft (35.1 m) and a deck 58 ft wide.

Who owns Calhoun Street over Brays Bayou?

It is owned by the City or Municipal Highway Agency.