US Bridges

Schuwirth RD over Branch Martinez Creek

Good

Bexar County, Texas · 1.95 MI S of Green RD · Structure no. 150150AA0499004

Built
1989
36 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
31 ft
4 main spans
Daily traffic
170
2010 count
Owner
County
County Highway Agency

About this bridge

Schuwirth RD over Branch Martinez Creek is a concrete culvert carrying Schuwirth RD over Branch Martinez Creek in Bexar County, Texas. It was built in 1989, so it is 36 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 170 vehicles a day, projected to reach 400 by 2027. The structure is 31 ft (9.4 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSchuwirth RD
CrossesBranch Martinez Creek
Location1.95 MI S of Green RD
RouteCounty Highway 0
StateTexas
Coordinates29.43553, -98.30116
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span6 ft (1.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2010)
Projected traffic400 by 2027
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Schuwirth RD over Branch Martinez Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Schuwirth RD over Branch 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 September 2023.

How much traffic does Schuwirth RD over Branch Martinez Creek carry?

About 170 vehicles per day (2010 count).

How long is Schuwirth RD over Branch Martinez Creek?

The structure is 31 ft (9.4 m) long with a longest span of 6 ft (1.8 m) and a deck 34 ft wide.

Who owns Schuwirth RD over Branch Martinez Creek?

It is owned by the County Highway Agency.