US Bridges

US 90 Mainlanes over Potranco Ck. Rel.

Fair

Bexar County, Texas · 1.2 MI W Loop 1604 · Structure no. 150150002407160

Built
1971
54 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
32 ft
5 main spans
Daily traffic
67,544
2023 count
Owner
State
State Highway Agency

About this bridge

US 90 Mainlanes over Potranco Ck. Rel. is a concrete culvert carrying US 90 Mainlanes over Potranco Ck. Rel. in Bexar County, Texas. It was built in 1971, so it is 54 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 67,544 vehicles a day, roughly 7% of them trucks, projected to reach 94,562 by 2042. The structure is 32 ft (9.8 m) long.

Location

Open in Google Maps
CarriesUS 90 Mainlanes
CrossesPotranco Ck. Rel.
Location1.2 MI W Loop 1604
RouteU.S. Route 90
CountyBexar County
StateTexas
Coordinates29.3775, -98.72055
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67,544 (2023)
Projected traffic94,562 by 2042
Trucks7%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 90 Mainlanes over Potranco Ck. Rel. built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 90 Mainlanes over Potranco Ck. Rel. 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 August 2024.

How much traffic does US 90 Mainlanes over Potranco Ck. Rel. carry?

About 67,544 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 90 Mainlanes over Potranco Ck. Rel.?

The structure is 32 ft (9.8 m) long with a longest span of 6 ft (1.8 m).

Who owns US 90 Mainlanes over Potranco Ck. Rel.?

It is owned by the State Highway Agency.