US Bridges

Bagby ST over S Bank of Buffalo Bayou

Fair

Harris County, Texas · At Memorial/Buffalo Byu · Structure no. 121020B05073003

Built
1959
66 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
49 ft
2 main spans
Daily traffic
1,096
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bagby ST over S Bank of Buffalo Bayou is a concrete slab carrying Bagby ST over S Bank of Buffalo Bayou in Harris County, Texas. It was built in 1959, so it is 66 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 1,096 vehicles a day, roughly 5% of them trucks, projected to reach 1,644 by 2042. The structure is 49 ft (14.9 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBagby ST
CrossesS Bank of Buffalo Bayou
LocationAt Memorial/Buffalo Byu
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.76327, -95.36747
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
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 rating54 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span25 ft (7.6 m)
Deck width85 ft (26 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,096 (2021)
Projected traffic1,644 by 2042
Trucks5%
Lanes on structure4
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$8,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bagby ST over S Bank of Buffalo Bayou built?

It was built in 1959, making it 66 years old in 2025.

What condition is Bagby ST over S Bank of 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 December 2023.

How much traffic does Bagby ST over S Bank of Buffalo Bayou carry?

About 1,096 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Bagby ST over S Bank of Buffalo Bayou?

The structure is 49 ft (14.9 m) long with a longest span of 25 ft (7.6 m) and a deck 85 ft wide.

Who owns Bagby ST over S Bank of Buffalo Bayou?

It is owned by the City or Municipal Highway Agency.