US Bridges

Old Castroville RD over SH 151 NB

Good

Bexar County, Texas · 0.1 MI N of US 90 · Structure no. 150150350801020

Built
1988
37 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
16,410
2014 count
Owner
State
State Highway Agency

About this bridge

Old Castroville RD over SH 151 NB is a prestressed concrete stringer/multi-beam or girder carrying Old Castroville RD over SH 151 NB in Bexar County, Texas. It was built in 1988, so it is 37 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 16,410 vehicles a day, projected to reach 200 by 2034. The structure is 77 ft (23.5 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld Castroville RD
CrossesSH 151 NB
Location0.1 MI N of US 90
RouteCity Street 0
StateTexas
Coordinates29.40881, -98.58812
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.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span77 ft (23.5 m)
Deck width70 ft (21.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,410 (2014)
Projected traffic200 by 2034
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$11,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old Castroville RD over SH 151 NB built?

It was built in 1988, making it 37 years old in 2025.

What condition is Old Castroville RD over SH 151 NB 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 June 2022.

How much traffic does Old Castroville RD over SH 151 NB carry?

About 16,410 vehicles per day (2014 count).

How long is Old Castroville RD over SH 151 NB?

The structure is 77 ft (23.5 m) long with a longest span of 77 ft (23.5 m) and a deck 70 ft wide.

Who owns Old Castroville RD over SH 151 NB?

It is owned by the State Highway Agency.