US Bridges

CR 1804 (cr 76) over Drainage Ditch

FairPosted for load

San Patricio County, Texas · 2.0 MI E of FM 893 · Structure no. 162050AA0349001

Built
1955
70 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
45 ft
2 main spans
Daily traffic
52
2021 count
Owner
County
County Highway Agency

About this bridge

CR 1804 (cr 76) over Drainage Ditch is a concrete continuous slab carrying CR 1804 (cr 76) over Drainage Ditch in San Patricio County, Texas. It was built in 1955, so it is 70 years old, older 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 52 vehicles a day, roughly 3% of them trucks, projected to reach 52 by 2041. The structure is 45 ft (13.7 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 1804 (cr 76)
CrossesDrainage Ditch
Location2.0 MI E of FM 893
RouteCounty Highway 1804
CountySan Patricio County
StateTexas
Coordinates27.93734, -97.37592
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span22 ft (6.7 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2021)
Projected traffic52 by 2041
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$44,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 1804 (cr 76) over Drainage Ditch built?

It was built in 1955, making it 70 years old in 2025.

What condition is CR 1804 (cr 76) over Drainage Ditch 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 June 2023.

How much traffic does CR 1804 (cr 76) over Drainage Ditch carry?

About 52 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is CR 1804 (cr 76) over Drainage Ditch?

The structure is 45 ft (13.7 m) long with a longest span of 22 ft (6.7 m) and a deck 16 ft wide.

Who owns CR 1804 (cr 76) over Drainage Ditch?

It is owned by the County Highway Agency.