US Bridges

Guenther ST over San Antonio River

Fair

Bexar County, Texas · 0.13 MI E of S Main ST · Structure no. 150150B14985001

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
186 ft
4 main spans
Daily traffic
1,210
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Guenther ST over San Antonio River is a concrete slab carrying Guenther ST over San Antonio River in Bexar County, Texas. It was built in 1968, so it is 57 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 1,210 vehicles a day, projected to reach 1,982 by 2031. The structure is 186 ft (56.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGuenther ST
CrossesSan Antonio River
Location0.13 MI E of S Main ST
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.41189, -98.49575
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length186 ft (56.7 m)
Longest span48 ft (14.5 m)
Deck width40 ft (12.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,210 (2015)
Projected traffic1,982 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Guenther ST over San Antonio River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Guenther ST over San Antonio River 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 August 2023.

How much traffic does Guenther ST over San Antonio River carry?

About 1,210 vehicles per day (2015 count).

How long is Guenther ST over San Antonio River?

The structure is 186 ft (56.7 m) long with a longest span of 48 ft (14.5 m) and a deck 40 ft wide.

Who owns Guenther ST over San Antonio River?

It is owned by the City or Municipal Highway Agency.