US Bridges

Lp 1604 Wbml over IH 10

Fair

Bexar County, Texas · IH10 & LP1604 Interchange · Structure no. 150150007208242

Built
1987
38 years old
Condition
Fair
inspected July 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,665 ft
12 main spans
Daily traffic
47,750
2013 count
Owner
State
State Highway Agency

About this bridge

Lp 1604 Wbml over IH 10 is a prestressed concrete stringer/multi-beam or girder carrying Lp 1604 Wbml over IH 10 in Bexar County, Texas. It was built in 1987, so it is 38 years old, younger 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 47,750 vehicles a day, roughly 9% of them trucks, projected to reach 66,850 by 2033. The structure is 1,665 ft (507.5 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLp 1604 Wbml
CrossesIH 10
LocationIH10 & LP1604 Interchange
RouteState Highway 1604
CountyBexar County
StateTexas
Coordinates29.59124, -98.59591
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 spans12 (+6 approach)
Design loadHS 20
Structure length1,665 ft (507.5 m)
Longest span120 ft (36.6 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,750 (2013)
Projected traffic66,850 by 2033
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed1.2 mi (2 km)
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 Lp 1604 Wbml over IH 10 built?

It was built in 1987, making it 38 years old in 2025.

What condition is Lp 1604 Wbml over IH 10 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 July 2022.

How much traffic does Lp 1604 Wbml over IH 10 carry?

About 47,750 vehicles per day (2013 count), of which roughly 9% are trucks.

How long is Lp 1604 Wbml over IH 10?

The structure is 1,665 ft (507.5 m) long with a longest span of 120 ft (36.6 m) and a deck 40 ft wide.

Who owns Lp 1604 Wbml over IH 10?

It is owned by the State Highway Agency.