US Bridges

Pinn RD over Trib of Leon CR

Fair

Bexar County, Texas · 0.50 MI S of Marbach RD · Structure no. 150150B27405002

Built
1980
45 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
75 ft
7 main spans
Daily traffic
5,635
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pinn RD over Trib of Leon CR is a concrete culvert carrying Pinn RD over Trib of Leon CR in Bexar County, Texas. It was built in 1980, so it is 45 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 5,635 vehicles a day, projected to reach 8,200 by 2033. The structure is 75 ft (22.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPinn RD
CrossesTrib of Leon CR
Location0.50 MI S of Marbach RD
RouteCity Street 8066
StateTexas
Coordinates29.41054, -98.62403
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 spans7
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,635 (2020)
Projected traffic8,200 by 2033
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$7,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pinn RD over Trib of Leon CR built?

It was built in 1980, making it 45 years old in 2025.

What condition is Pinn RD over Trib of Leon CR 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 2023.

How much traffic does Pinn RD over Trib of Leon CR carry?

About 5,635 vehicles per day (2020 count).

How long is Pinn RD over Trib of Leon CR?

The structure is 75 ft (22.9 m) long with a longest span of 10 ft (3 m).

Who owns Pinn RD over Trib of Leon CR?

It is owned by the City or Municipal Highway Agency.