US Bridges

SH 97 EB over IH 37

Good

Atascosa County, Texas · 4.00 MI S of FM 3006 · Structure no. 150070007310244

Built
1979
46 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
304 ft
2 main spans
Daily traffic
7,100
2013 count
Owner
State
State Highway Agency

About this bridge

SH 97 EB over IH 37 is a prestressed concrete stringer/multi-beam or girder carrying SH 97 EB over IH 37 in Atascosa County, Texas. It was built in 1979, so it is 46 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,100 vehicles a day, roughly 18% of them trucks, projected to reach 9,940 by 2033. The structure is 304 ft (92.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 97 EB
CrossesIH 37
Location4.00 MI S of FM 3006
RouteState Highway 97
StateTexas
Coordinates28.99368, -98.43113
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length304 ft (92.7 m)
Longest span102 ft (31.1 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2013)
Projected traffic9,940 by 2033
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 97 EB over IH 37 built?

It was built in 1979, making it 46 years old in 2025.

What condition is SH 97 EB over IH 37 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2022.

How much traffic does SH 97 EB over IH 37 carry?

About 7,100 vehicles per day (2013 count), of which roughly 18% are trucks.

How long is SH 97 EB over IH 37?

The structure is 304 ft (92.7 m) long with a longest span of 102 ft (31.1 m) and a deck 40 ft wide.

Who owns SH 97 EB over IH 37?

It is owned by the State Highway Agency.