US Bridges

CR 30 over West Oso Creek

Good

Nueces County, Texas · 1.1 MI E of CR 339 · Structure no. 161780AA0338002

Built
2004
21 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
58 ft
5 main spans
Daily traffic
160
2015 count
Owner
County
County Highway Agency

About this bridge

CR 30 over West Oso Creek is a concrete culvert carrying CR 30 over West Oso Creek in Nueces County, Texas. It was built in 2004, so it is 21 years old, younger 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 160 vehicles a day, projected to reach 250 by 2035. The structure is 58 ft (17.7 m) long and 40 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCR 30
CrossesWest Oso Creek
Location1.1 MI E of CR 339
RouteCounty Highway 30
CountyNueces County
StateTexas
Coordinates27.73122, -97.57707
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span10 ft (3 m)
Deck width40 ft (12.2 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2015)
Projected traffic250 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 30 over West Oso Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is CR 30 over West Oso Creek 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 2023.

How much traffic does CR 30 over West Oso Creek carry?

About 160 vehicles per day (2015 count).

How long is CR 30 over West Oso Creek?

The structure is 58 ft (17.7 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns CR 30 over West Oso Creek?

It is owned by the County Highway Agency.