US Bridges

Manitou RD over Hunting Bayou

Fair

Harris County, Texas · 0.50 MI S of N Mc Carty · Structure no. 121020B41961133

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
4,530
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Manitou RD over Hunting Bayou is a concrete stringer/multi-beam or girder carrying Manitou RD over Hunting Bayou in Harris County, Texas. It was built in 1962, so it is 63 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,530 vehicles a day, roughly 1% of them trucks, projected to reach 6,530 by 2031. The structure is 120 ft (36.6 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesManitou RD
CrossesHunting Bayou
Location0.50 MI S of N Mc Carty
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.79604, -95.26465
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,530 (2011)
Projected traffic6,530 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Manitou RD over Hunting Bayou built?

It was built in 1962, making it 63 years old in 2025.

What condition is Manitou RD over Hunting Bayou in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Manitou RD over Hunting Bayou carry?

About 4,530 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Manitou RD over Hunting Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Manitou RD over Hunting Bayou?

It is owned by the City or Municipal Highway Agency.