US Bridges

Spur 536 over Rockwood Creek

Good

Bexar County, Texas · 0.80 MI S of IH 10 · Structure no. 150150025306028

Built
1934
91 years old, rebuilt 1955
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
9,735
2020 count
Owner
State
State Highway Agency

About this bridge

Spur 536 over Rockwood Creek is a concrete culvert carrying Spur 536 over Rockwood Creek in Bexar County, Texas. It was built in 1934 and reconstructed in 1955, so it is 91 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 9,735 vehicles a day, roughly 10% of them trucks, projected to reach 8,950 by 2036. The structure is 35 ft (10.7 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSpur 536
CrossesRockwood Creek
Location0.80 MI S of IH 10
RouteState Highway 536
StateTexas
Coordinates29.38089, -98.48252
Functional classUrban Other Principal Arterial

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span14 ft (4.3 m)
Deck width64 ft (19.4 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,735 (2020)
Projected traffic8,950 by 2036
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Spur 536 over Rockwood Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1955.

What condition is Spur 536 over Rockwood 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 Spur 536 over Rockwood Creek carry?

About 9,735 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Spur 536 over Rockwood Creek?

The structure is 35 ft (10.7 m) long with a longest span of 14 ft (4.3 m) and a deck 64 ft wide.

Who owns Spur 536 over Rockwood Creek?

It is owned by the State Highway Agency.