US Bridges

New Sulphur Spring over Calaveras Creek

Fair

Bexar County, Texas · 3.52 MI E of Lp 410 · Structure no. 150150B24587010

Built
1950
75 years old, rebuilt 1996
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
6,295
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

New Sulphur Spring over Calaveras Creek is a concrete culvert carrying New Sulphur Spring over Calaveras Creek in Bexar County, Texas. It was built in 1950 and reconstructed in 1996, so it is 75 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,295 vehicles a day, projected to reach 8,000 by 2039. The structure is 43 ft (13.1 m) long and 51 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesNew Sulphur Spring
CrossesCalaveras Creek
Location3.52 MI E of Lp 410
RouteCity Street 8100
CountyBexar County
StateTexas
Coordinates29.35881, -98.34316
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width51 ft (15.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,295 (2020)
Projected traffic8,000 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 New Sulphur Spring over Calaveras Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1996.

What condition is New Sulphur Spring over Calaveras Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does New Sulphur Spring over Calaveras Creek carry?

About 6,295 vehicles per day (2020 count).

How long is New Sulphur Spring over Calaveras Creek?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 51 ft wide.

Who owns New Sulphur Spring over Calaveras Creek?

It is owned by the City or Municipal Highway Agency.