Lp 1604 over Pieniazek Creek

Good

Bexar County, Texas · 2.20 MI N of US 87 · Structure no. 150150245204051

Built: 1978; 47 years old
Condition: Good; inspected May 2024
Type: Culvert; Concrete
Length: 35 ft; 4 main spans
Daily traffic: 5,496; 2020 count
Owner: State; State Highway Agency

About this bridge

Lp 1604 over Pieniazek Creek is a concrete culvert carrying Lp 1604 over Pieniazek Creek in Bexar County, Texas. It was built in 1978, so it is 47 years old, older 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 5,496 vehicles a day, roughly 5% of them trucks, projected to reach 11,600 by 2033. The structure is 35 ft (10.7 m) long and 57 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLp 1604

CrossesPieniazek Creek

Location2.20 MI N of US 87

RouteState Highway 1604

CountyBexar County

StateTexas

Coordinates29.40058, -98.24407

Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	7 Good	Some minor problems.

Last inspectionMay 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

Deck geometry9: Superior to present desirable criteria

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 spans4

Design loadHS 20

Structure length35 ft (10.7 m)

Longest span8 ft (2.4 m)

Deck width57 ft (17.5 m)

Roadway width46 ft (14 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,496 (2020)

Projected traffic11,600 by 2033

Trucks5%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.9 mi (3 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency

Maintained byState Highway Agency

Historic statusNot eligible for the National Register of Historic Places

Work proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 1604 over Pieniazek Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Lp 1604 over Pieniazek Creek 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 May 2024.

How much traffic does Lp 1604 over Pieniazek Creek carry?

About 5,496 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Lp 1604 over Pieniazek Creek?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m) and a deck 57 ft wide.

Who owns Lp 1604 over Pieniazek Creek?

It is owned by the State Highway Agency.