US Bridges

CR 18 over Drainage Ditch

PoorPosted for load

Nueces County, Texas · 0.55 MI E of FM 892 · Structure no. 161780AA0207003

Built
1940
85 years old, rebuilt 1989
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
41 ft
3 main spans
Daily traffic
90
2015 count
Owner
County
County Highway Agency

About this bridge

CR 18 over Drainage Ditch is a wood or timber stringer/multi-beam or girder carrying CR 18 over Drainage Ditch in Nueces County, Texas. It was built in 1940 and reconstructed in 1989, so it is 85 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 90 vehicles a day, projected to reach 150 by 2035. The structure is 41 ft (12.5 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 18
CrossesDrainage Ditch
Location0.55 MI E of FM 892
RouteCounty Highway 18
StateTexas
Coordinates27.64322, -97.65881
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating14 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span14 ft (4.3 m)
Deck width21 ft (6.3 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2015)
Projected traffic150 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$55,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 18 over Drainage Ditch built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1989.

What condition is CR 18 over Drainage Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does CR 18 over Drainage Ditch carry?

About 90 vehicles per day (2015 count).

How long is CR 18 over Drainage Ditch?

The structure is 41 ft (12.5 m) long with a longest span of 14 ft (4.3 m) and a deck 21 ft wide.

Who owns CR 18 over Drainage Ditch?

It is owned by the County Highway Agency.