US Bridges

Mission Road over San Antonio River

FairPosted for load

Bexar County, Texas · 0.30 MI W of S. Presa St. · Structure no. 150150B23330003

Built
1971
54 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
389 ft
11 main spans
Daily traffic
1,866
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mission Road over San Antonio River is a concrete continuous slab carrying Mission Road over San Antonio River in Bexar County, Texas. It was built in 1971, so it is 54 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,866 vehicles a day, projected to reach 1,485 by 2031. The structure is 389 ft (118.6 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMission Road
CrossesSan Antonio River
Location0.30 MI W of S. Presa St.
RouteCity Street 0
StateTexas
Coordinates29.33524, -98.45809
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating65 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length389 ft (118.6 m)
Longest span36 ft (11 m)
Deck width40 ft (12.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,866 (2023)
Projected traffic1,485 by 2031
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

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 Mission Road over San Antonio River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Mission Road 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 Mission Road over San Antonio River carry?

About 1,866 vehicles per day (2023 count).

How long is Mission Road over San Antonio River?

The structure is 389 ft (118.6 m) long with a longest span of 36 ft (11 m) and a deck 40 ft wide.

Who owns Mission Road over San Antonio River?

It is owned by the City or Municipal Highway Agency.