US Bridges

Lp 1604 Nbml over Martinez Creek

Good

Bexar County, Texas · 2.55 MI SE of IH 10 · Structure no. 150150245204293

Built
2020
5 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
3 main spans
Daily traffic
16,800
2019 count
Owner
State
State Highway Agency

About this bridge

Lp 1604 Nbml over Martinez Creek is a prestressed concrete stringer/multi-beam or girder carrying Lp 1604 Nbml over Martinez Creek in Bexar County, Texas. It was built in 2020, so it is 5 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 16,800 vehicles a day, roughly 3% of them trucks, projected to reach 30,900 by 2052. The structure is 240 ft (73.2 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLp 1604 Nbml
CrossesMartinez Creek
Location2.55 MI SE of IH 10
RouteState Highway 1604
StateTexas
Coordinates29.43403, -98.27212
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: 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 spans3
Design loadHL 93
Structure length240 ft (73.2 m)
Longest span80 ft (24.4 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,800 (2019)
Projected traffic30,900 by 2052
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Nbml over Martinez Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Lp 1604 Nbml over Martinez 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 Nbml over Martinez Creek carry?

About 16,800 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Lp 1604 Nbml over Martinez Creek?

The structure is 240 ft (73.2 m) long with a longest span of 80 ft (24.4 m) and a deck 40 ft wide.

Who owns Lp 1604 Nbml over Martinez Creek?

It is owned by the State Highway Agency.