US Bridges

Lp 1604 over Tributary of French Crk

Good

Bexar County, Texas · 0.8 MI NE of SH 16 · Structure no. 150150245202009

Built
1961
64 years old, rebuilt 1996
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
78 ft
9 main spans
Daily traffic
87,180
2013 count
Owner
State
State Highway Agency

About this bridge

Lp 1604 over Tributary of French Crk is a concrete culvert carrying Lp 1604 over Tributary of French Crk in Bexar County, Texas. It was built in 1961 and reconstructed in 1996, so it is 64 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 87,180 vehicles a day, roughly 6% of them trucks, projected to reach 122,050 by 2033. The structure is 78 ft (23.8 m) long.

CarriesLp 1604
CrossesTributary of French Crk
Location0.8 MI NE of SH 16
RouteState Highway 1604
StateTexas
Coordinates29.562, -98.65798
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans9
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,180 (2013)
Projected traffic122,050 by 2033
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Tributary of French Crk built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1996.

What condition is Lp 1604 over Tributary of French Crk 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 2024.

How much traffic does Lp 1604 over Tributary of French Crk carry?

About 87,180 vehicles per day (2013 count), of which roughly 6% are trucks.

How long is Lp 1604 over Tributary of French Crk?

The structure is 78 ft (23.8 m) long with a longest span of 8 ft (2.4 m).

Who owns Lp 1604 over Tributary of French Crk?

It is owned by the State Highway Agency.