US Bridges

Service RD over Drainage

Good

Bexar County, Texas · On Service Road Next to C · Structure no. AFTXCRYB00006

Built
1990
35 years old
Condition
Good
inspected February 2024
Type
Frame
Concrete Continuous
Length
39 ft
5 main spans
Daily traffic
300
2014 count
Owner
Federal
Air Force

About this bridge

Service RD over Drainage is a concrete continuous frame carrying Service RD over Drainage in Bexar County, Texas. It was built in 1990, so it is 35 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 300 vehicles a day, projected to reach 360 by 2034. The structure is 39 ft (12 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesService RD
CrossesDrainage
LocationOn Service Road Next to C
RouteFederal Lands Road 0
StateTexas
Coordinates29.64089, -98.58
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length39 ft (12 m)
Longest span7 ft (2.1 m)
Deck width48 ft (14.7 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2014)
Projected traffic360 by 2034
Trucks—
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

OwnerAir Force
Maintained byAir Force
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$60,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Service RD over Drainage built?

It was built in 1990, making it 35 years old in 2025.

What condition is Service RD over Drainage 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 February 2024.

How much traffic does Service RD over Drainage carry?

About 300 vehicles per day (2014 count).

How long is Service RD over Drainage?

The structure is 39 ft (12 m) long with a longest span of 7 ft (2.1 m) and a deck 48 ft wide.

Who owns Service RD over Drainage?

It is owned by the Air Force.