US Bridges

SH 97 over Bonita Creek

Fair

Atascosa County, Texas · 1.15 MI SW of US 281 · Structure no. 150070032804006

Built
1926
99 years old, rebuilt 1985
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
19,920
2020 count
Owner
State
State Highway Agency

About this bridge

SH 97 over Bonita Creek is a concrete culvert carrying SH 97 over Bonita Creek in Atascosa County, Texas. It was built in 1926 and reconstructed in 1985, so it is 99 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 19,920 vehicles a day, roughly 2% of them trucks, projected to reach 35,170 by 2033. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 97
CrossesBonita Creek
Location1.15 MI SW of US 281
RouteState Highway 97
CountyAtascosa County
StateTexas
Coordinates28.94968, -98.49959
Functional classUrban Other Principal 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,920 (2020)
Projected traffic35,170 by 2033
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 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 SH 97 over Bonita Creek built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1985.

What condition is SH 97 over Bonita Creek 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 May 2024.

How much traffic does SH 97 over Bonita Creek carry?

About 19,920 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is SH 97 over Bonita Creek?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m).

Who owns SH 97 over Bonita Creek?

It is owned by the State Highway Agency.