US Bridges

Lp 1604 over Quintana RD & MP RR

Good

Bexar County, Texas · 0.5 MI NW of IH 35 · Structure no. 150150202002004

Built
1973
52 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
230 ft
4 main spans
Daily traffic
13,628
2023 count
Owner
State
State Highway Agency

About this bridge

Lp 1604 over Quintana RD & MP RR is a prestressed concrete stringer/multi-beam or girder carrying Lp 1604 over Quintana RD & MP RR 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 13,628 vehicles a day, roughly 8% of them trucks, projected to reach 10,410 by 2033. The structure is 230 ft (70.1 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLp 1604
CrossesQuintana RD & MP RR
Location0.5 MI NW of IH 35
RouteState Highway 1604
CountyBexar County
StateTexas
Coordinates29.2861, -98.66738
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.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span65 ft (19.8 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,628 (2023)
Projected traffic10,410 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed6.2 mi (10 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lp 1604 over Quintana RD & MP RR built?

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

What condition is Lp 1604 over Quintana RD & MP RR 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 2022.

How much traffic does Lp 1604 over Quintana RD & MP RR carry?

About 13,628 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Lp 1604 over Quintana RD & MP RR?

The structure is 230 ft (70.1 m) long with a longest span of 65 ft (19.8 m) and a deck 44 ft wide.

Who owns Lp 1604 over Quintana RD & MP RR?

It is owned by the State Highway Agency.