SH 16 over San Geronimo Creek

Fair

Bexar County, Texas · 1.10 MI SE of Medina C/L · Structure no. 150150029109032

Built: 1937; 88 years old, rebuilt 1980
Condition: Fair; inspected June 2024
Type: Tee Beam; Concrete
Length: 79 ft; 1 main span
Daily traffic: 8,079; 2018 count
Owner: State; State Highway Agency

About this bridge

SH 16 over San Geronimo Creek is a concrete tee beam carrying SH 16 over San Geronimo Creek in Bexar County, Texas. It was built in 1937 and reconstructed in 1980, so it is 88 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 8,079 vehicles a day, roughly 5% of them trucks, projected to reach 8,950 by 2033. The structure is 79 ft (24.1 m) long and 76 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

Location

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CarriesSH 16

CrossesSan Geronimo Creek

Location1.10 MI SE of Medina C/L

RouteState Highway 16

CountyBexar County

StateTexas

Coordinates29.62067, -98.79498

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.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionJune 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation6: Equal to present minimum criteria

Deck geometry9: Superior to present desirable criteria

Waterway adequacy9: Superior to present desirable criteria

Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is

Operating rating58 US tons

Inventory rating34.9 US tons

Structure

Structure typeTee Beam

MaterialConcrete

DeckConcrete, cast-in-place

Main spans1 (+2 approach)

Design loadH 15

Structure length79 ft (24.1 m)

Longest span34 ft (10.4 m)

Deck width76 ft (23.2 m)

Roadway width74 ft (22.6 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,079 (2018)

Projected traffic8,950 by 2033

Trucks5%

Lanes on structure4

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed29.2 mi (47 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency

Maintained byState 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 SH 16 over San Geronimo Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1980.

What condition is SH 16 over San Geronimo 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 June 2024.

How much traffic does SH 16 over San Geronimo Creek carry?

About 8,079 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is SH 16 over San Geronimo Creek?

The structure is 79 ft (24.1 m) long with a longest span of 34 ft (10.4 m) and a deck 76 ft wide.

Who owns SH 16 over San Geronimo Creek?

It is owned by the State Highway Agency.