US Bridges

Hirsch RD NB over Halls Bayou

Good

Harris County, Texas · 1.00 MI N of Tidwell RD · Structure no. 121020B32105001

Built
1988
37 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
173 ft
3 main spans
Daily traffic
3,449
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hirsch RD NB over Halls Bayou is a prestressed concrete box beam or girders - multiple carrying Hirsch RD NB over Halls Bayou in Harris County, Texas. It was built in 1988, so it is 37 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 3,449 vehicles a day, projected to reach 3,198 by 2035. The structure is 173 ft (52.7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHirsch RD NB
CrossesHalls Bayou
Location1.00 MI N of Tidwell RD
RouteCity Street 146
CountyHarris County
StateTexas
Coordinates29.86281, -95.31775
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
Deck7 GoodSome minor problems.
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

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length173 ft (52.7 m)
Longest span57 ft (17.4 m)
Deck width33 ft (10.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,449 (2015)
Projected traffic3,198 by 2035
Trucks0%
Lanes on structure2
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hirsch RD NB over Halls Bayou built?

It was built in 1988, making it 37 years old in 2025.

What condition is Hirsch RD NB over Halls 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 September 2023.

How much traffic does Hirsch RD NB over Halls Bayou carry?

About 3,449 vehicles per day (2015 count).

How long is Hirsch RD NB over Halls Bayou?

The structure is 173 ft (52.7 m) long with a longest span of 57 ft (17.4 m) and a deck 33 ft wide.

Who owns Hirsch RD NB over Halls Bayou?

It is owned by the City or Municipal Highway Agency.