US Bridges

Houston Street over Bma Irrigation Canal

Fair

Medina County, Texas · 0.2 MI NE of US 90 · Structure no. 151630B00035001

Built
1922
103 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
66 ft
2 main spans
Daily traffic
435
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Houston Street over Bma Irrigation Canal is a concrete tee beam carrying Houston Street over Bma Irrigation Canal in Medina County, Texas. It was built in 1922, so it is 103 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 435 vehicles a day, projected to reach 1,100 by 2035. The structure is 66 ft (20.1 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHouston Street
CrossesBma Irrigation Canal
Location0.2 MI NE of US 90
RouteCity Street 0
CountyMedina County
StateTexas
Coordinates29.35025, -98.89574
Functional classRural 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
Deck8 Very GoodNo problems noted.
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 inspectionJune 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length66 ft (20.1 m)
Longest span32 ft (9.8 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic435 (2020)
Projected traffic1,100 by 2035
Trucks0%
Lanes on structure2
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$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Houston Street over Bma Irrigation Canal built?

It was built in 1922, making it 103 years old in 2025.

What condition is Houston Street over Bma Irrigation Canal 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 June 2023.

How much traffic does Houston Street over Bma Irrigation Canal carry?

About 435 vehicles per day (2020 count).

How long is Houston Street over Bma Irrigation Canal?

The structure is 66 ft (20.1 m) long with a longest span of 32 ft (9.8 m) and a deck 23 ft wide.

Who owns Houston Street over Bma Irrigation Canal?

It is owned by the City or Municipal Highway Agency.