US Bridges

Lp 1604 over Dry Creek

Good

Bexar County, Texas · 1.8 MI E of FM 2790 · Structure no. 150150202002008

Built
1973
52 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
4 main spans
Daily traffic
9,251
2023 count
Owner
State
State Highway Agency

About this bridge

Lp 1604 over Dry Creek is a prestressed concrete stringer/multi-beam or girder carrying Lp 1604 over Dry Creek in Bexar County, Texas. It was built in 1973, so it is 52 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 9,251 vehicles a day, roughly 10% of them trucks, projected to reach 8,760 by 2033. The structure is 300 ft (91.4 m) long and 44 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLp 1604
CrossesDry Creek
Location1.8 MI E of FM 2790
RouteState Highway 1604
StateTexas
Coordinates29.22631, -98.62641
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.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span75 ft (22.9 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,251 (2023)
Projected traffic8,760 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

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 Lp 1604 over Dry Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Lp 1604 over Dry 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 August 2024.

How much traffic does Lp 1604 over Dry Creek carry?

About 9,251 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Lp 1604 over Dry Creek?

The structure is 300 ft (91.4 m) long with a longest span of 75 ft (22.9 m) and a deck 44 ft wide.

Who owns Lp 1604 over Dry Creek?

It is owned by the State Highway Agency.