US Bridges

Growdon Road over Drainage

Fair

Bexar County, Texas · 0.2 Miles South of Morey · Structure no. AFTXMPLS00033

Built
1955
70 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
25 ft
3 main spans
Daily traffic
2,500
2016 count
Owner
Federal
Air Force

About this bridge

Growdon Road over Drainage is a concrete continuous culvert carrying Growdon Road over Drainage in Bexar County, Texas. It was built in 1955, so it is 70 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 2,500 vehicles a day, projected to reach 3,000 by 2036. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesGrowdon Road
CrossesDrainage
Location0.2 Miles South of Morey
RouteFederal Lands Road 0
StateTexas
Coordinates29.38918, -98.58791
Functional classUrban Other Principal 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2016)
Projected traffic3,000 by 2036
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$53,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Growdon Road over Drainage built?

It was built in 1955, making it 70 years old in 2025.

What condition is Growdon Road over Drainage 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 February 2024.

How much traffic does Growdon Road over Drainage carry?

About 2,500 vehicles per day (2016 count).

How long is Growdon Road over Drainage?

The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m).

Who owns Growdon Road over Drainage?

It is owned by the Air Force.