US Bridges

CR 3667 (cr 81) over Drain

Fair

San Patricio County, Texas · 1.85 MI S of US 181 · Structure no. 162050AA0352001

Built
1970
55 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
39 ft
6 main spans
Daily traffic
160
2011 count
Owner
County
County Highway Agency

About this bridge

CR 3667 (cr 81) over Drain is a concrete culvert carrying CR 3667 (cr 81) over Drain in San Patricio County, Texas. It was built in 1970, so it is 55 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.

It carries about 160 vehicles a day, projected to reach 200 by 2031. The structure is 39 ft (11.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR 3667 (cr 81)
CrossesDrain
Location1.85 MI S of US 181
RouteCounty Highway 3667
CountySan Patricio County
StateTexas
Coordinates27.92101, -97.34347
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 spans6
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span6 ft (1.8 m)
Deck width30 ft (9.1 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2011)
Projected traffic200 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 3667 (cr 81) over Drain built?

It was built in 1970, making it 55 years old in 2025.

What condition is CR 3667 (cr 81) over Drain 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 3667 (cr 81) over Drain carry?

About 160 vehicles per day (2011 count).

How long is CR 3667 (cr 81) over Drain?

The structure is 39 ft (11.9 m) long with a longest span of 6 ft (1.8 m) and a deck 30 ft wide.

Who owns CR 3667 (cr 81) over Drain?

It is owned by the County Highway Agency.