US Bridges

Buffalo Speedway over Poor Farm Ditch

Good

Harris County, Texas · 1.5 MI N of S Lp 610 · Structure no. 121020B10977001

Built
2011
14 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
8,080
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Buffalo Speedway over Poor Farm Ditch is a prestressed concrete box beam or girders - multiple carrying Buffalo Speedway over Poor Farm Ditch in Harris County, Texas. It was built in 2011, so it is 14 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 8,080 vehicles a day, projected to reach 13,550 by 2030. The structure is 64 ft (19.5 m) long and 74 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesBuffalo Speedway
CrossesPoor Farm Ditch
Location1.5 MI N of S Lp 610
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.69921, -95.42733
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length64 ft (19.5 m)
Longest span63 ft (19.2 m)
Deck width74 ft (22.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,080 (2010)
Projected traffic13,550 by 2030
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$8,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Buffalo Speedway over Poor Farm Ditch built?

It was built in 2011, making it 14 years old in 2025.

What condition is Buffalo Speedway over Poor Farm Ditch 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 August 2023.

How much traffic does Buffalo Speedway over Poor Farm Ditch carry?

About 8,080 vehicles per day (2010 count).

How long is Buffalo Speedway over Poor Farm Ditch?

The structure is 64 ft (19.5 m) long with a longest span of 63 ft (19.2 m) and a deck 74 ft wide.

Who owns Buffalo Speedway over Poor Farm Ditch?

It is owned by the City or Municipal Highway Agency.