US Bridges

FM 796 over IH 37

Fair

San Patricio County, Texas · 0.5 MI NW of SH 234 · Structure no. 162050007405108

Built
1969
56 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
350 ft
3 main spans
Daily traffic
519
2022 count
Owner
State
State Highway Agency

About this bridge

FM 796 over IH 37 is a prestressed concrete stringer/multi-beam or girder carrying FM 796 over IH 37 in San Patricio County, Texas. It was built in 1969, so it is 56 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 519 vehicles a day, roughly 1% of them trucks, projected to reach 851 by 2042. The structure is 350 ft (106.7 m) long and 35 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFM 796
CrossesIH 37
Location0.5 MI NW of SH 234
RouteState Highway 796
StateTexas
Coordinates27.97909, -97.67587
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating26 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadH 20
Structure length350 ft (106.7 m)
Longest span100 ft (30.5 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic519 (2022)
Projected traffic851 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 796 over IH 37 built?

It was built in 1969, making it 56 years old in 2025.

What condition is FM 796 over IH 37 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 March 2024.

How much traffic does FM 796 over IH 37 carry?

About 519 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is FM 796 over IH 37?

The structure is 350 ft (106.7 m) long with a longest span of 100 ft (30.5 m) and a deck 35 ft wide.

Who owns FM 796 over IH 37?

It is owned by the State Highway Agency.