US Bridges

CR 30 over Drainage Ditch

Good

Nueces County, Texas · 0.80 MI W of US 77 · Structure no. 161780AA0217001

Built
2005
20 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
180
2015 count
Owner
County
County Highway Agency

About this bridge

CR 30 over Drainage Ditch is a concrete culvert carrying CR 30 over Drainage Ditch in Nueces County, Texas. It was built in 2005, so it is 20 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 180 vehicles a day, roughly 1% of them trucks, projected to reach 200 by 2035. The structure is 29 ft (8.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 30
CrossesDrainage Ditch
Location0.80 MI W of US 77
RouteCounty Highway 30
StateTexas
Coordinates27.72526, -97.7255
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2015)
Projected traffic200 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$47,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 30 over Drainage Ditch built?

It was built in 2005, making it 20 years old in 2025.

What condition is CR 30 over Drainage Ditch 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 Drainage Ditch carry?

About 180 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is CR 30 over Drainage Ditch?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m) and a deck 33 ft wide.

Who owns CR 30 over Drainage Ditch?

It is owned by the County Highway Agency.