US Bridges

FM 3502 over Salitrillo Creek

Good

Bexar County, Texas · 0.4 MI SW of FM 78 · Structure no. 150150189002334

Built
2008
17 years old
Condition
Good
inspected August 2022
Type
Slab
Concrete Continuous
Length
100 ft
4 main spans
Daily traffic
3,046
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

FM 3502 over Salitrillo Creek is a concrete continuous slab carrying FM 3502 over Salitrillo Creek in Bexar County, Texas. It was built in 2008, so it is 17 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 3,046 vehicles a day, roughly 4% of them trucks, projected to reach 4,410 by 2033. The structure is 100 ft (30.5 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 3502
CrossesSalitrillo Creek
Location0.4 MI SW of FM 78
RouteState Highway 3502
StateTexas
Coordinates29.52135, -98.31135
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span25 ft (7.6 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,046 (2020)
Projected traffic4,410 by 2033
Trucks4%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 FM 3502 over Salitrillo Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is FM 3502 over Salitrillo 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 2022.

How much traffic does FM 3502 over Salitrillo Creek carry?

About 3,046 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is FM 3502 over Salitrillo Creek?

The structure is 100 ft (30.5 m) long with a longest span of 25 ft (7.6 m) and a deck 40 ft wide.

Who owns FM 3502 over Salitrillo Creek?

It is owned by the City or Municipal Highway Agency.