US Bridges

Studemont ST NB over Memorial & Buffalo Bayou

FairPosted for load

Harris County, Texas · 0.10 MI N of Allen Pkwy · Structure no. 121020B44185010

Built
1967
58 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
590 ft
12 main spans
Daily traffic
13,719
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Studemont ST NB over Memorial & Buffalo Bayou is a prestressed concrete stringer/multi-beam or girder carrying Studemont ST NB over Memorial & Buffalo Bayou in Harris County, Texas. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 13,719 vehicles a day, roughly 5% of them trucks, projected to reach 20,000 by 2026. The structure is 590 ft (179.8 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesStudemont ST NB
CrossesMemorial & Buffalo Bayou
Location0.10 MI N of Allen Pkwy
RouteCity Street 0
StateTexas
Coordinates29.76209, -95.39227
Functional classUrban Minor Arterial

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans12
Design loadUnknown
Structure length590 ft (179.8 m)
Longest span60 ft (18.3 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,719 (2021)
Projected traffic20,000 by 2026
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Studemont ST NB over Memorial & Buffalo Bayou built?

It was built in 1967, making it 58 years old in 2025.

What condition is Studemont ST NB over Memorial & Buffalo 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 November 2023.

How much traffic does Studemont ST NB over Memorial & Buffalo Bayou carry?

About 13,719 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Studemont ST NB over Memorial & Buffalo Bayou?

The structure is 590 ft (179.8 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns Studemont ST NB over Memorial & Buffalo Bayou?

It is owned by the City or Municipal Highway Agency.