US Bridges

SH 358 EB over Cayo Del Oso

Fair

Nueces County, Texas · 5.90 MI E of FM 43 · Structure no. 161780061701049

Built
1986
39 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,959 ft
25 main spans
Daily traffic
31,750
2023 count
Owner
State
State Highway Agency

About this bridge

SH 358 EB over Cayo Del Oso is a prestressed concrete stringer/multi-beam or girder carrying SH 358 EB over Cayo Del Oso in Nueces County, Texas. It was built in 1986, so it is 39 years old, younger 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.

It carries about 31,750 vehicles a day, roughly 5% of them trucks, projected to reach 44,450 by 2042. The structure is 1,959 ft (597.1 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 358 EB
CrossesCayo Del Oso
Location5.90 MI E of FM 43
RouteState Highway 358
CountyNueces County
StateTexas
Coordinates27.67969, -97.31189
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans25 (+1 approach)
Design loadHS 20
Structure length1,959 ft (597.1 m)
Longest span80 ft (24.4 m)
Deck width58 ft (17.7 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,750 (2023)
Projected traffic44,450 by 2042
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$10.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 358 EB over Cayo Del Oso built?

It was built in 1986, making it 39 years old in 2025.

What condition is SH 358 EB over Cayo Del Oso 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 2024.

How much traffic does SH 358 EB over Cayo Del Oso carry?

About 31,750 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SH 358 EB over Cayo Del Oso?

The structure is 1,959 ft (597.1 m) long with a longest span of 80 ft (24.4 m) and a deck 58 ft wide.

Who owns SH 358 EB over Cayo Del Oso?

It is owned by the State Highway Agency.