US Bridges

Loop 1604 EB Ml over IH 35

Good

Bexar County, Texas · IH35/LP 1604 Inter · Structure no. 150150001607168

Built
1986
39 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
370 ft
2 main spans
Daily traffic
36,180
2013 count
Owner
State
State Highway Agency

About this bridge

Loop 1604 EB Ml over IH 35 is a prestressed concrete stringer/multi-beam or girder carrying Loop 1604 EB Ml over IH 35 in Bexar County, Texas. It was built in 1986, so it is 39 years old, younger 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 36,180 vehicles a day, roughly 8% of them trucks, projected to reach 50,650 by 2033. The structure is 370 ft (112.8 m) long and 47 ft wide.

CarriesLoop 1604 EB Ml
CrossesIH 35
LocationIH35/LP 1604 Inter
RouteState Highway 1604
StateTexas
Coordinates29.56793, -98.33316
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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 spans2 (+4 approach)
Design loadHS 20
Structure length370 ft (112.8 m)
Longest span80 ft (24.4 m)
Deck width47 ft (14.3 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,180 (2013)
Projected traffic50,650 by 2033
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Loop 1604 EB Ml over IH 35 built?

It was built in 1986, making it 39 years old in 2025.

What condition is Loop 1604 EB Ml over IH 35 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 2022.

How much traffic does Loop 1604 EB Ml over IH 35 carry?

About 36,180 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is Loop 1604 EB Ml over IH 35?

The structure is 370 ft (112.8 m) long with a longest span of 80 ft (24.4 m) and a deck 47 ft wide.

Who owns Loop 1604 EB Ml over IH 35?

It is owned by the State Highway Agency.