US Bridges

CR 18 over Drainage Ditch

Good

Nueces County, Texas · 0.01 MI W of CR 67 · Structure no. 161780AA0207007

Built
2000
25 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
150
2015 count
Owner
County
County Highway Agency

About this bridge

CR 18 over Drainage Ditch is a concrete culvert carrying CR 18 over Drainage Ditch in Nueces County, Texas. It was built in 2000, so it is 25 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 150 vehicles a day, projected to reach 250 by 2035. The structure is 23 ft (7 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 18
CrossesDrainage Ditch
Location0.01 MI W of CR 67
RouteCounty Highway 18
StateTexas
Coordinates27.6432, -97.63444
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 protection8 Very GoodNo problems noted.
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 geometry7: Better than 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 length23 ft (7 m)
Longest span6 ft (1.8 m)
Deck width35 ft (10.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2015)
Projected traffic250 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 18 over Drainage Ditch built?

It was built in 2000, making it 25 years old in 2025.

What condition is CR 18 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 18 over Drainage Ditch carry?

About 150 vehicles per day (2015 count).

How long is CR 18 over Drainage Ditch?

The structure is 23 ft (7 m) long with a longest span of 6 ft (1.8 m) and a deck 35 ft wide.

Who owns CR 18 over Drainage Ditch?

It is owned by the County Highway Agency.