US Bridges

Mitchell ST over San Antonio River

Fair

Bexar County, Texas · 0.2 MI W of Mission RD · Structure no. 150150B23390002

Built
1938
87 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
182 ft
5 main spans
Daily traffic
9,293
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mitchell ST over San Antonio River is a steel stringer/multi-beam or girder carrying Mitchell ST over San Antonio River in Bexar County, Texas. It was built in 1938, so it is 87 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 9,293 vehicles a day, projected to reach 10,479 by 2033. The structure is 182 ft (55.5 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMitchell ST
CrossesSan Antonio River
Location0.2 MI W of Mission RD
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.39313, -98.49467
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length182 ft (55.5 m)
Longest span36 ft (11 m)
Deck width50 ft (15.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,293 (2020)
Projected traffic10,479 by 2033
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 Mitchell ST over San Antonio River built?

It was built in 1938, making it 87 years old in 2025.

What condition is Mitchell 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 Mitchell ST over San Antonio River carry?

About 9,293 vehicles per day (2020 count).

How long is Mitchell ST over San Antonio River?

The structure is 182 ft (55.5 m) long with a longest span of 36 ft (11 m) and a deck 50 ft wide.

Who owns Mitchell ST over San Antonio River?

It is owned by the City or Municipal Highway Agency.